Home / 18,125,348.96-25,013,522.89-11,160,044.83

Finding the Fourth Proportional to 18,125,348.96, 25,013,522.89 and 11,160,044.83

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Solution

The fourth proportional to 18,125,348.96, 25,013,522.89 and 11,160,044.83 is: 15,401,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,348.96 : 25,013,522.89 = 11,160,044.83 : x
  2. Step 2: Convert to fraction form
    18,125,348.96/25,013,522.89 = 11,160,044.83/x
  3. Step 3: Cross multiply
    18,125,348.96x = 25,013,522.89 × 11,160,044.83
  4. Step 4: Simplify right side
    18,125,348.96x = 279,152,036,853,848.12
  5. Step 5: Solve for x
    x = 279,152,036,853,848.12/18,125,348.96
  6. Step 6: Final answer
    x = 15,401,195.17

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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.