Home / 22,572,202.40-31,151,560.44-12,784,387.82

Finding the Fourth Proportional to 22,572,202.40, 31,151,560.44 and 12,784,387.82

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Solution

The fourth proportional to 22,572,202.40, 31,151,560.44 and 12,784,387.82 is: 17,643,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,202.40 : 31,151,560.44 = 12,784,387.82 : x
  2. Step 2: Convert to fraction form
    22,572,202.40/31,151,560.44 = 12,784,387.82/x
  3. Step 3: Cross multiply
    22,572,202.40x = 31,151,560.44 × 12,784,387.82
  4. Step 4: Simplify right side
    22,572,202.40x = 398,253,629,863,129.88
  5. Step 5: Solve for x
    x = 398,253,629,863,129.88/22,572,202.40
  6. Step 6: Final answer
    x = 17,643,543.28

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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.