Home / 9,159,471.13-12,639,495.25-5,029,473.36

Finding the Fourth Proportional to 9,159,471.13, 12,639,495.25 and 5,029,473.36

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Solution

The fourth proportional to 9,159,471.13, 12,639,495.25 and 5,029,473.36 is: 6,940,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,471.13 : 12,639,495.25 = 5,029,473.36 : x
  2. Step 2: Convert to fraction form
    9,159,471.13/12,639,495.25 = 5,029,473.36/x
  3. Step 3: Cross multiply
    9,159,471.13x = 12,639,495.25 × 5,029,473.36
  4. Step 4: Simplify right side
    9,159,471.13x = 63,570,004,593,097.75
  5. Step 5: Solve for x
    x = 63,570,004,593,097.75/9,159,471.13
  6. Step 6: Final answer
    x = 6,940,357.55

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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.