Home / 10,071,717.20-13,898,535.12-5,720,789.96

Finding the Fourth Proportional to 10,071,717.20, 13,898,535.12 and 5,720,789.96

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Solution

The fourth proportional to 10,071,717.20, 13,898,535.12 and 5,720,789.96 is: 7,894,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,717.20 : 13,898,535.12 = 5,720,789.96 : x
  2. Step 2: Convert to fraction form
    10,071,717.20/13,898,535.12 = 5,720,789.96/x
  3. Step 3: Cross multiply
    10,071,717.20x = 13,898,535.12 × 5,720,789.96
  4. Step 4: Simplify right side
    10,071,717.20x = 79,510,600,173,203.39
  5. Step 5: Solve for x
    x = 79,510,600,173,203.39/10,071,717.20
  6. Step 6: Final answer
    x = 7,894,443.28

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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.