Home / 14,338,416.20-21,507,624.30-13,011,312.20

Finding the Fourth Proportional to 14,338,416.20, 21,507,624.30 and 13,011,312.20

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Solution

The fourth proportional to 14,338,416.20, 21,507,624.30 and 13,011,312.20 is: 19,516,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338,416.20 : 21,507,624.30 = 13,011,312.20 : x
  2. Step 2: Convert to fraction form
    14,338,416.20/21,507,624.30 = 13,011,312.20/x
  3. Step 3: Cross multiply
    14,338,416.20x = 21,507,624.30 × 13,011,312.20
  4. Step 4: Simplify right side
    14,338,416.20x = 279,842,414,447,606.47
  5. Step 5: Solve for x
    x = 279,842,414,447,606.47/14,338,416.20
  6. Step 6: Final answer
    x = 19,516,968.30

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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.