Home / 20,931,569.27-31,397,354.19-6,555,762.17

Finding the Fourth Proportional to 20,931,569.27, 31,397,354.19 and 6,555,762.17

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Solution

The fourth proportional to 20,931,569.27, 31,397,354.19 and 6,555,762.17 is: 9,833,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,931,569.27 : 31,397,354.19 = 6,555,762.17 : x
  2. Step 2: Convert to fraction form
    20,931,569.27/31,397,354.19 = 6,555,762.17/x
  3. Step 3: Cross multiply
    20,931,569.27x = 31,397,354.19 × 6,555,762.17
  4. Step 4: Simplify right side
    20,931,569.27x = 205,833,586,679,906.22
  5. Step 5: Solve for x
    x = 205,833,586,679,906.22/20,931,569.27
  6. Step 6: Final answer
    x = 9,833,643.34

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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.