Home / 34,292,419.30-47,321,812.00-20,354,382.62

Finding the Fourth Proportional to 34,292,419.30, 47,321,812.00 and 20,354,382.62

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Solution

The fourth proportional to 34,292,419.30, 47,321,812.00 and 20,354,382.62 is: 28,088,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,292,419.30 : 47,321,812.00 = 20,354,382.62 : x
  2. Step 2: Convert to fraction form
    34,292,419.30/47,321,812.00 = 20,354,382.62/x
  3. Step 3: Cross multiply
    34,292,419.30x = 47,321,812.00 × 20,354,382.62
  4. Step 4: Simplify right side
    34,292,419.30x = 963,206,267,952,183.38
  5. Step 5: Solve for x
    x = 963,206,267,952,183.38/34,292,419.30
  6. Step 6: Final answer
    x = 28,088,023.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.