Home / 18,377,831.80-27,566,747.70-12,213,116.20

Finding the Fourth Proportional to 18,377,831.80, 27,566,747.70 and 12,213,116.20

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Solution

The fourth proportional to 18,377,831.80, 27,566,747.70 and 12,213,116.20 is: 18,319,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377,831.80 : 27,566,747.70 = 12,213,116.20 : x
  2. Step 2: Convert to fraction form
    18,377,831.80/27,566,747.70 = 12,213,116.20/x
  3. Step 3: Cross multiply
    18,377,831.80x = 27,566,747.70 × 12,213,116.20
  4. Step 4: Simplify right side
    18,377,831.80x = 336,675,892,916,182.69
  5. Step 5: Solve for x
    x = 336,675,892,916,182.69/18,377,831.80
  6. Step 6: Final answer
    x = 18,319,674.30

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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.