Home / 9,121,441.09-12,587,589.87-4,991,473.13

Finding the Fourth Proportional to 9,121,441.09, 12,587,589.87 and 4,991,473.13

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Solution

The fourth proportional to 9,121,441.09, 12,587,589.87 and 4,991,473.13 is: 6,888,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,441.09 : 12,587,589.87 = 4,991,473.13 : x
  2. Step 2: Convert to fraction form
    9,121,441.09/12,587,589.87 = 4,991,473.13/x
  3. Step 3: Cross multiply
    9,121,441.09x = 12,587,589.87 × 4,991,473.13
  4. Step 4: Simplify right side
    9,121,441.09x = 62,830,616,607,565.19
  5. Step 5: Solve for x
    x = 62,830,616,607,565.19/9,121,441.09
  6. Step 6: Final answer
    x = 6,888,233.56

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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.