Home / 10,916,296.80-16,374,445.20-6,664,768.80

Finding the Fourth Proportional to 10,916,296.80, 16,374,445.20 and 6,664,768.80

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Solution

The fourth proportional to 10,916,296.80, 16,374,445.20 and 6,664,768.80 is: 9,997,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916,296.80 : 16,374,445.20 = 6,664,768.80 : x
  2. Step 2: Convert to fraction form
    10,916,296.80/16,374,445.20 = 6,664,768.80/x
  3. Step 3: Cross multiply
    10,916,296.80x = 16,374,445.20 × 6,664,768.80
  4. Step 4: Simplify right side
    10,916,296.80x = 109,131,891,486,269.75
  5. Step 5: Solve for x
    x = 109,131,891,486,269.75/10,916,296.80
  6. Step 6: Final answer
    x = 9,997,153.20

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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.