Home / 22,542,725.64-31,108,723.76-12,619,689.93

Finding the Fourth Proportional to 22,542,725.64, 31,108,723.76 and 12,619,689.93

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Solution

The fourth proportional to 22,542,725.64, 31,108,723.76 and 12,619,689.93 is: 17,415,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542,725.64 : 31,108,723.76 = 12,619,689.93 : x
  2. Step 2: Convert to fraction form
    22,542,725.64/31,108,723.76 = 12,619,689.93/x
  3. Step 3: Cross multiply
    22,542,725.64x = 31,108,723.76 × 12,619,689.93
  4. Step 4: Simplify right side
    22,542,725.64x = 392,582,447,906,125.25
  5. Step 5: Solve for x
    x = 392,582,447,906,125.25/22,542,725.64
  6. Step 6: Final answer
    x = 17,415,039.08

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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.