Home / 18,088,545.90-27,124,524.45-7,985,966.70

Finding the Fourth Proportional to 18,088,545.90, 27,124,524.45 and 7,985,966.70

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Solution

The fourth proportional to 18,088,545.90, 27,124,524.45 and 7,985,966.70 is: 11,975,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088,545.90 : 27,124,524.45 = 7,985,966.70 : x
  2. Step 2: Convert to fraction form
    18,088,545.90/27,124,524.45 = 7,985,966.70/x
  3. Step 3: Cross multiply
    18,088,545.90x = 27,124,524.45 × 7,985,966.70
  4. Step 4: Simplify right side
    18,088,545.90x = 216,615,549,011,035.81
  5. Step 5: Solve for x
    x = 216,615,549,011,035.81/18,088,545.90
  6. Step 6: Final answer
    x = 11,975,288.13

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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.