Home / 28,206,044.40-42,314,376.96-20,098,908.30

Finding the Fourth Proportional to 28,206,044.40, 42,314,376.96 and 20,098,908.30

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Solution

The fourth proportional to 28,206,044.40, 42,314,376.96 and 20,098,908.30 is: 30,152,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206,044.40 : 42,314,376.96 = 20,098,908.30 : x
  2. Step 2: Convert to fraction form
    28,206,044.40/42,314,376.96 = 20,098,908.30/x
  3. Step 3: Cross multiply
    28,206,044.40x = 42,314,376.96 × 20,098,908.30
  4. Step 4: Simplify right side
    28,206,044.40x = 850,472,782,290,672.88
  5. Step 5: Solve for x
    x = 850,472,782,290,672.88/28,206,044.40
  6. Step 6: Final answer
    x = 30,152,146.48

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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.