Home / 8,487,493.66-11,712,890.55-4,620,125.98

Finding the Fourth Proportional to 8,487,493.66, 11,712,890.55 and 4,620,125.98

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Solution

The fourth proportional to 8,487,493.66, 11,712,890.55 and 4,620,125.98 is: 6,375,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,493.66 : 11,712,890.55 = 4,620,125.98 : x
  2. Step 2: Convert to fraction form
    8,487,493.66/11,712,890.55 = 4,620,125.98/x
  3. Step 3: Cross multiply
    8,487,493.66x = 11,712,890.55 × 4,620,125.98
  4. Step 4: Simplify right side
    8,487,493.66x = 54,115,029,930,951.50
  5. Step 5: Solve for x
    x = 54,115,029,930,951.50/8,487,493.66
  6. Step 6: Final answer
    x = 6,375,855.12

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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.