Home / 7,127,521.11-9,836,186.57-4,029,977.92

Finding the Fourth Proportional to 7,127,521.11, 9,836,186.57 and 4,029,977.92

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Solution

The fourth proportional to 7,127,521.11, 9,836,186.57 and 4,029,977.92 is: 5,561,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,521.11 : 9,836,186.57 = 4,029,977.92 : x
  2. Step 2: Convert to fraction form
    7,127,521.11/9,836,186.57 = 4,029,977.92/x
  3. Step 3: Cross multiply
    7,127,521.11x = 9,836,186.57 × 4,029,977.92
  4. Step 4: Simplify right side
    7,127,521.11x = 39,639,614,724,026.92
  5. Step 5: Solve for x
    x = 39,639,614,724,026.92/7,127,521.11
  6. Step 6: Final answer
    x = 5,561,486.82

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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.