Home / 8,675,540.10-12,935,748.42-8,437,185.68

Finding the Fourth Proportional to 8,675,540.10, 12,935,748.42 and 8,437,185.68

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Solution

The fourth proportional to 8,675,540.10, 12,935,748.42 and 8,437,185.68 is: 12,580,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,540.10 : 12,935,748.42 = 8,437,185.68 : x
  2. Step 2: Convert to fraction form
    8,675,540.10/12,935,748.42 = 8,437,185.68/x
  3. Step 3: Cross multiply
    8,675,540.10x = 12,935,748.42 × 8,437,185.68
  4. Step 4: Simplify right side
    8,675,540.10x = 109,141,311,329,306.62
  5. Step 5: Solve for x
    x = 109,141,311,329,306.62/8,675,540.10
  6. Step 6: Final answer
    x = 12,580,347.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.