Home / 14,309,376.80-21,464,065.20-13,133,645.60

Finding the Fourth Proportional to 14,309,376.80, 21,464,065.20 and 13,133,645.60

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Solution

The fourth proportional to 14,309,376.80, 21,464,065.20 and 13,133,645.60 is: 19,700,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309,376.80 : 21,464,065.20 = 13,133,645.60 : x
  2. Step 2: Convert to fraction form
    14,309,376.80/21,464,065.20 = 13,133,645.60/x
  3. Step 3: Cross multiply
    14,309,376.80x = 21,464,065.20 × 13,133,645.60
  4. Step 4: Simplify right side
    14,309,376.80x = 281,901,425,472,093.12
  5. Step 5: Solve for x
    x = 281,901,425,472,093.12/14,309,376.80
  6. Step 6: Final answer
    x = 19,700,468.40

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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.