Home / 18,438,862.18-25,444,962.90-10,178,747.17

Finding the Fourth Proportional to 18,438,862.18, 25,444,962.90 and 10,178,747.17

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Solution

The fourth proportional to 18,438,862.18, 25,444,962.90 and 10,178,747.17 is: 14,046,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,862.18 : 25,444,962.90 = 10,178,747.17 : x
  2. Step 2: Convert to fraction form
    18,438,862.18/25,444,962.90 = 10,178,747.17/x
  3. Step 3: Cross multiply
    18,438,862.18x = 25,444,962.90 × 10,178,747.17
  4. Step 4: Simplify right side
    18,438,862.18x = 258,997,844,109,129.97
  5. Step 5: Solve for x
    x = 258,997,844,109,129.97/18,438,862.18
  6. Step 6: Final answer
    x = 14,046,302.94

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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.