Home / 20,452,295.55-28,224,753.98-11,285,528.79

Finding the Fourth Proportional to 20,452,295.55, 28,224,753.98 and 11,285,528.79

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Solution

The fourth proportional to 20,452,295.55, 28,224,753.98 and 11,285,528.79 is: 15,574,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452,295.55 : 28,224,753.98 = 11,285,528.79 : x
  2. Step 2: Convert to fraction form
    20,452,295.55/28,224,753.98 = 11,285,528.79/x
  3. Step 3: Cross multiply
    20,452,295.55x = 28,224,753.98 × 11,285,528.79
  4. Step 4: Simplify right side
    20,452,295.55x = 318,531,273,575,529.44
  5. Step 5: Solve for x
    x = 318,531,273,575,529.44/20,452,295.55
  6. Step 6: Final answer
    x = 15,574,353.15

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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.