Home / 18,981,567.60-26,195,042.70-11,643,447.12

Finding the Fourth Proportional to 18,981,567.60, 26,195,042.70 and 11,643,447.12

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Solution

The fourth proportional to 18,981,567.60, 26,195,042.70 and 11,643,447.12 is: 16,068,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,567.60 : 26,195,042.70 = 11,643,447.12 : x
  2. Step 2: Convert to fraction form
    18,981,567.60/26,195,042.70 = 11,643,447.12/x
  3. Step 3: Cross multiply
    18,981,567.60x = 26,195,042.70 × 11,643,447.12
  4. Step 4: Simplify right side
    18,981,567.60x = 305,000,594,483,592
  5. Step 5: Solve for x
    x = 305,000,594,483,592/18,981,567.60
  6. Step 6: Final answer
    x = 16,068,251.10

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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.