Home / 28,597,628.20-42,896,442.30-9,423,761.80

Finding the Fourth Proportional to 28,597,628.20, 42,896,442.30 and 9,423,761.80

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Solution

The fourth proportional to 28,597,628.20, 42,896,442.30 and 9,423,761.80 is: 14,135,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597,628.20 : 42,896,442.30 = 9,423,761.80 : x
  2. Step 2: Convert to fraction form
    28,597,628.20/42,896,442.30 = 9,423,761.80/x
  3. Step 3: Cross multiply
    28,597,628.20x = 42,896,442.30 × 9,423,761.80
  4. Step 4: Simplify right side
    28,597,628.20x = 404,245,854,302,644.12
  5. Step 5: Solve for x
    x = 404,245,854,302,644.12/28,597,628.20
  6. Step 6: Final answer
    x = 14,135,642.70

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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.