Home / 12,157,255.71-18,234,535.79-3,059,355.76

Finding the Fourth Proportional to 12,157,255.71, 18,234,535.79 and 3,059,355.76

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Solution

The fourth proportional to 12,157,255.71, 18,234,535.79 and 3,059,355.76 is: 4,588,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,255.71 : 18,234,535.79 = 3,059,355.76 : x
  2. Step 2: Convert to fraction form
    12,157,255.71/18,234,535.79 = 3,059,355.76/x
  3. Step 3: Cross multiply
    12,157,255.71x = 18,234,535.79 × 3,059,355.76
  4. Step 4: Simplify right side
    12,157,255.71x = 55,785,931,993,593.19
  5. Step 5: Solve for x
    x = 55,785,931,993,593.19/12,157,255.71
  6. Step 6: Final answer
    x = 4,588,694.47

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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.