Home / 22,142,947.10-33,214,420.65-12,587,798.30

Finding the Fourth Proportional to 22,142,947.10, 33,214,420.65 and 12,587,798.30

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Solution

The fourth proportional to 22,142,947.10, 33,214,420.65 and 12,587,798.30 is: 18,881,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,947.10 : 33,214,420.65 = 12,587,798.30 : x
  2. Step 2: Convert to fraction form
    22,142,947.10/33,214,420.65 = 12,587,798.30/x
  3. Step 3: Cross multiply
    22,142,947.10x = 33,214,420.65 × 12,587,798.30
  4. Step 4: Simplify right side
    22,142,947.10x = 418,096,427,793,554.88
  5. Step 5: Solve for x
    x = 418,096,427,793,554.88/22,142,947.10
  6. Step 6: Final answer
    x = 18,881,697.45

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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.