Home / 8,930,139.12-13,394,966.76-2,540,830.32

Finding the Fourth Proportional to 8,930,139.12, 13,394,966.76 and 2,540,830.32

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Solution

The fourth proportional to 8,930,139.12, 13,394,966.76 and 2,540,830.32 is: 3,811,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930,139.12 : 13,394,966.76 = 2,540,830.32 : x
  2. Step 2: Convert to fraction form
    8,930,139.12/13,394,966.76 = 2,540,830.32/x
  3. Step 3: Cross multiply
    8,930,139.12x = 13,394,966.76 × 2,540,830.32
  4. Step 4: Simplify right side
    8,930,139.12x = 34,034,337,679,200.16
  5. Step 5: Solve for x
    x = 34,034,337,679,200.16/8,930,139.12
  6. Step 6: Final answer
    x = 3,811,176.65

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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.