Home / 20,862,658.14-28,792,191.79-11,573,223.24

Finding the Fourth Proportional to 20,862,658.14, 28,792,191.79 and 11,573,223.24

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Solution

The fourth proportional to 20,862,658.14, 28,792,191.79 and 11,573,223.24 is: 15,972,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,658.14 : 28,792,191.79 = 11,573,223.24 : x
  2. Step 2: Convert to fraction form
    20,862,658.14/28,792,191.79 = 11,573,223.24/x
  3. Step 3: Cross multiply
    20,862,658.14x = 28,792,191.79 × 11,573,223.24
  4. Step 4: Simplify right side
    20,862,658.14x = 333,218,463,154,565.19
  5. Step 5: Solve for x
    x = 333,218,463,154,565.19/20,862,658.14
  6. Step 6: Final answer
    x = 15,972,004.19

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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.