Home / 8,429,429.52-12,631,372.12-5,579,331.12

Finding the Fourth Proportional to 8,429,429.52, 12,631,372.12 and 5,579,331.12

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Solution

The fourth proportional to 8,429,429.52, 12,631,372.12 and 5,579,331.12 is: 8,360,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,429.52 : 12,631,372.12 = 5,579,331.12 : x
  2. Step 2: Convert to fraction form
    8,429,429.52/12,631,372.12 = 5,579,331.12/x
  3. Step 3: Cross multiply
    8,429,429.52x = 12,631,372.12 × 5,579,331.12
  4. Step 4: Simplify right side
    8,429,429.52x = 70,474,607,557,416.38
  5. Step 5: Solve for x
    x = 70,474,607,557,416.38/8,429,429.52
  6. Step 6: Final answer
    x = 8,360,542.95

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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.