Home / 42,106,541.20-63,153,906.90-13,355,583.10

Finding the Fourth Proportional to 42,106,541.20, 63,153,906.90 and 13,355,583.10

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Solution

The fourth proportional to 42,106,541.20, 63,153,906.90 and 13,355,583.10 is: 20,031,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106,541.20 : 63,153,906.90 = 13,355,583.10 : x
  2. Step 2: Convert to fraction form
    42,106,541.20/63,153,906.90 = 13,355,583.10/x
  3. Step 3: Cross multiply
    42,106,541.20x = 63,153,906.90 × 13,355,583.10
  4. Step 4: Simplify right side
    42,106,541.20x = 843,457,251,692,613.38
  5. Step 5: Solve for x
    x = 843,457,251,692,613.38/42,106,541.20
  6. Step 6: Final answer
    x = 20,031,501.70

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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.