Home / 22,985,338.74-31,718,811.51-12,531,128.82

Finding the Fourth Proportional to 22,985,338.74, 31,718,811.51 and 12,531,128.82

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Solution

The fourth proportional to 22,985,338.74, 31,718,811.51 and 12,531,128.82 is: 17,292,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985,338.74 : 31,718,811.51 = 12,531,128.82 : x
  2. Step 2: Convert to fraction form
    22,985,338.74/31,718,811.51 = 12,531,128.82/x
  3. Step 3: Cross multiply
    22,985,338.74x = 31,718,811.51 × 12,531,128.82
  4. Step 4: Simplify right side
    22,985,338.74x = 397,472,513,049,108.75
  5. Step 5: Solve for x
    x = 397,472,513,049,108.75/22,985,338.74
  6. Step 6: Final answer
    x = 17,292,436.61

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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.