Home / 18,513,073.79-27,787,522.31-8,935,194.77

Finding the Fourth Proportional to 18,513,073.79, 27,787,522.31 and 8,935,194.77

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Solution

The fourth proportional to 18,513,073.79, 27,787,522.31 and 8,935,194.77 is: 13,411,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513,073.79 : 27,787,522.31 = 8,935,194.77 : x
  2. Step 2: Convert to fraction form
    18,513,073.79/27,787,522.31 = 8,935,194.77/x
  3. Step 3: Cross multiply
    18,513,073.79x = 27,787,522.31 × 8,935,194.77
  4. Step 4: Simplify right side
    18,513,073.79x = 248,286,923,970,894.34
  5. Step 5: Solve for x
    x = 248,286,923,970,894.34/18,513,073.79
  6. Step 6: Final answer
    x = 13,411,437.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.