Home / 31,589,291.97-47,386,829.66-8,870,036.13

Finding the Fourth Proportional to 31,589,291.97, 47,386,829.66 and 8,870,036.13

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Solution

The fourth proportional to 31,589,291.97, 47,386,829.66 and 8,870,036.13 is: 13,305,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,291.97 : 47,386,829.66 = 8,870,036.13 : x
  2. Step 2: Convert to fraction form
    31,589,291.97/47,386,829.66 = 8,870,036.13/x
  3. Step 3: Cross multiply
    31,589,291.97x = 47,386,829.66 × 8,870,036.13
  4. Step 4: Simplify right side
    31,589,291.97x = 420,322,891,126,005.50
  5. Step 5: Solve for x
    x = 420,322,891,126,005.50/31,589,291.97
  6. Step 6: Final answer
    x = 13,305,866.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.