Home / 13,484,947.10-20,227,420.65-13,260,998.30

Finding the Fourth Proportional to 13,484,947.10, 20,227,420.65 and 13,260,998.30

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Solution

The fourth proportional to 13,484,947.10, 20,227,420.65 and 13,260,998.30 is: 19,891,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,947.10 : 20,227,420.65 = 13,260,998.30 : x
  2. Step 2: Convert to fraction form
    13,484,947.10/20,227,420.65 = 13,260,998.30/x
  3. Step 3: Cross multiply
    13,484,947.10x = 20,227,420.65 × 13,260,998.30
  4. Step 4: Simplify right side
    13,484,947.10x = 268,235,790,853,034.88
  5. Step 5: Solve for x
    x = 268,235,790,853,034.88/13,484,947.10
  6. Step 6: Final answer
    x = 19,891,497.45

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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.