Home / 9,538,451.15-13,162,935.38-5,187,443.81

Finding the Fourth Proportional to 9,538,451.15, 13,162,935.38 and 5,187,443.81

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Solution

The fourth proportional to 9,538,451.15, 13,162,935.38 and 5,187,443.81 is: 7,158,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538,451.15 : 13,162,935.38 = 5,187,443.81 : x
  2. Step 2: Convert to fraction form
    9,538,451.15/13,162,935.38 = 5,187,443.81/x
  3. Step 3: Cross multiply
    9,538,451.15x = 13,162,935.38 × 5,187,443.81
  4. Step 4: Simplify right side
    9,538,451.15x = 68,281,987,566,659.10
  5. Step 5: Solve for x
    x = 68,281,987,566,659.10/9,538,451.15
  6. Step 6: Final answer
    x = 7,158,603.27

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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.