Home / 9,486,813.12-13,091,785.92-5,135,897.76

Finding the Fourth Proportional to 9,486,813.12, 13,091,785.92 and 5,135,897.76

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Solution

The fourth proportional to 9,486,813.12, 13,091,785.92 and 5,135,897.76 is: 7,087,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,813.12 : 13,091,785.92 = 5,135,897.76 : x
  2. Step 2: Convert to fraction form
    9,486,813.12/13,091,785.92 = 5,135,897.76/x
  3. Step 3: Cross multiply
    9,486,813.12x = 13,091,785.92 × 5,135,897.76
  4. Step 4: Simplify right side
    9,486,813.12x = 67,238,073,980,927.54
  5. Step 5: Solve for x
    x = 67,238,073,980,927.54/9,486,813.12
  6. Step 6: Final answer
    x = 7,087,530.15

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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.