Home / 10,554,387.78-14,565,083.22-5,725,491.78

Finding the Fourth Proportional to 10,554,387.78, 14,565,083.22 and 5,725,491.78

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Solution

The fourth proportional to 10,554,387.78, 14,565,083.22 and 5,725,491.78 is: 7,901,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554,387.78 : 14,565,083.22 = 5,725,491.78 : x
  2. Step 2: Convert to fraction form
    10,554,387.78/14,565,083.22 = 5,725,491.78/x
  3. Step 3: Cross multiply
    10,554,387.78x = 14,565,083.22 × 5,725,491.78
  4. Step 4: Simplify right side
    10,554,387.78x = 83,392,264,251,125.94
  5. Step 5: Solve for x
    x = 83,392,264,251,125.94/10,554,387.78
  6. Step 6: Final answer
    x = 7,901,193.89

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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.