Home / 14,259,257.40-21,388,886.10-14,133,286.20

Finding the Fourth Proportional to 14,259,257.40, 21,388,886.10 and 14,133,286.20

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Solution

The fourth proportional to 14,259,257.40, 21,388,886.10 and 14,133,286.20 is: 21,199,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259,257.40 : 21,388,886.10 = 14,133,286.20 : x
  2. Step 2: Convert to fraction form
    14,259,257.40/21,388,886.10 = 14,133,286.20/x
  3. Step 3: Cross multiply
    14,259,257.40x = 21,388,886.10 × 14,133,286.20
  4. Step 4: Simplify right side
    14,259,257.40x = 302,295,248,750,501.81
  5. Step 5: Solve for x
    x = 302,295,248,750,501.81/14,259,257.40
  6. Step 6: Final answer
    x = 21,199,929.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.