Home / 28,608,164.10-42,912,246.15-9,441,879.30

Finding the Fourth Proportional to 28,608,164.10, 42,912,246.15 and 9,441,879.30

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Solution

The fourth proportional to 28,608,164.10, 42,912,246.15 and 9,441,879.30 is: 14,162,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,164.10 : 42,912,246.15 = 9,441,879.30 : x
  2. Step 2: Convert to fraction form
    28,608,164.10/42,912,246.15 = 9,441,879.30/x
  3. Step 3: Cross multiply
    28,608,164.10x = 42,912,246.15 × 9,441,879.30
  4. Step 4: Simplify right side
    28,608,164.10x = 405,172,248,640,189.69
  5. Step 5: Solve for x
    x = 405,172,248,640,189.69/28,608,164.10
  6. Step 6: Final answer
    x = 14,162,818.95

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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.