Home / 8,501,631.60-12,777,330.60-7,406,770.80

Finding the Fourth Proportional to 8,501,631.60, 12,777,330.60 and 7,406,770.80

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Solution

The fourth proportional to 8,501,631.60, 12,777,330.60 and 7,406,770.80 is: 11,131,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,631.60 : 12,777,330.60 = 7,406,770.80 : x
  2. Step 2: Convert to fraction form
    8,501,631.60/12,777,330.60 = 7,406,770.80/x
  3. Step 3: Cross multiply
    8,501,631.60x = 12,777,330.60 × 7,406,770.80
  4. Step 4: Simplify right side
    8,501,631.60x = 94,638,759,190,026.47
  5. Step 5: Solve for x
    x = 94,638,759,190,026.47/8,501,631.60
  6. Step 6: Final answer
    x = 11,131,834.88

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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.