Home / 13,508,770.74-18,641,881.06-7,313,767.92

Finding the Fourth Proportional to 13,508,770.74, 18,641,881.06 and 7,313,767.92

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Solution

The fourth proportional to 13,508,770.74, 18,641,881.06 and 7,313,767.92 is: 10,092,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,770.74 : 18,641,881.06 = 7,313,767.92 : x
  2. Step 2: Convert to fraction form
    13,508,770.74/18,641,881.06 = 7,313,767.92/x
  3. Step 3: Cross multiply
    13,508,770.74x = 18,641,881.06 × 7,313,767.92
  4. Step 4: Simplify right side
    13,508,770.74x = 136,342,391,687,939.11
  5. Step 5: Solve for x
    x = 136,342,391,687,939.11/13,508,770.74
  6. Step 6: Final answer
    x = 10,092,879.24

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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.