Home / 22,712,517.12-31,343,747.84-12,399,674.88

Finding the Fourth Proportional to 22,712,517.12, 31,343,747.84 and 12,399,674.88

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Solution

The fourth proportional to 22,712,517.12, 31,343,747.84 and 12,399,674.88 is: 17,111,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,517.12 : 31,343,747.84 = 12,399,674.88 : x
  2. Step 2: Convert to fraction form
    22,712,517.12/31,343,747.84 = 12,399,674.88/x
  3. Step 3: Cross multiply
    22,712,517.12x = 31,343,747.84 × 12,399,674.88
  4. Step 4: Simplify right side
    22,712,517.12x = 388,652,282,736,702.31
  5. Step 5: Solve for x
    x = 388,652,282,736,702.31/22,712,517.12
  6. Step 6: Final answer
    x = 17,111,810.23

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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.