Home / 5,427,101.52-7,488,845.28-3,136,000.32

Finding the Fourth Proportional to 5,427,101.52, 7,488,845.28 and 3,136,000.32

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Solution

The fourth proportional to 5,427,101.52, 7,488,845.28 and 3,136,000.32 is: 4,327,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,101.52 : 7,488,845.28 = 3,136,000.32 : x
  2. Step 2: Convert to fraction form
    5,427,101.52/7,488,845.28 = 3,136,000.32/x
  3. Step 3: Cross multiply
    5,427,101.52x = 7,488,845.28 × 3,136,000.32
  4. Step 4: Simplify right side
    5,427,101.52x = 23,485,021,194,510.49
  5. Step 5: Solve for x
    x = 23,485,021,194,510.49/5,427,101.52
  6. Step 6: Final answer
    x = 4,327,359.85

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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.