Home / 8,691,613.76-13,050,218.82-4,860,941.36

Finding the Fourth Proportional to 8,691,613.76, 13,050,218.82 and 4,860,941.36

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Solution

The fourth proportional to 8,691,613.76, 13,050,218.82 and 4,860,941.36 is: 7,298,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,613.76 : 13,050,218.82 = 4,860,941.36 : x
  2. Step 2: Convert to fraction form
    8,691,613.76/13,050,218.82 = 4,860,941.36/x
  3. Step 3: Cross multiply
    8,691,613.76x = 13,050,218.82 × 4,860,941.36
  4. Step 4: Simplify right side
    8,691,613.76x = 63,436,348,387,911.67
  5. Step 5: Solve for x
    x = 63,436,348,387,911.67/8,691,613.76
  6. Step 6: Final answer
    x = 7,298,569.65

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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.