Home / 9,515,619.92-13,131,565.21-5,164,707.13

Finding the Fourth Proportional to 9,515,619.92, 13,131,565.21 and 5,164,707.13

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Solution

The fourth proportional to 9,515,619.92, 13,131,565.21 and 5,164,707.13 is: 7,127,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,619.92 : 13,131,565.21 = 5,164,707.13 : x
  2. Step 2: Convert to fraction form
    9,515,619.92/13,131,565.21 = 5,164,707.13/x
  3. Step 3: Cross multiply
    9,515,619.92x = 13,131,565.21 × 5,164,707.13
  4. Step 4: Simplify right side
    9,515,619.92x = 67,820,688,441,773.92
  5. Step 5: Solve for x
    x = 67,820,688,441,773.92/9,515,619.92
  6. Step 6: Final answer
    x = 7,127,301.11

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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.