Home / 12,477,536.30-18,716,304.45-11,981,524.70

Finding the Fourth Proportional to 12,477,536.30, 18,716,304.45 and 11,981,524.70

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Solution

The fourth proportional to 12,477,536.30, 18,716,304.45 and 11,981,524.70 is: 17,972,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,536.30 : 18,716,304.45 = 11,981,524.70 : x
  2. Step 2: Convert to fraction form
    12,477,536.30/18,716,304.45 = 11,981,524.70/x
  3. Step 3: Cross multiply
    12,477,536.30x = 18,716,304.45 × 11,981,524.70
  4. Step 4: Simplify right side
    12,477,536.30x = 224,249,864,060,394.91
  5. Step 5: Solve for x
    x = 224,249,864,060,394.91/12,477,536.30
  6. Step 6: Final answer
    x = 17,972,287.05

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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.