Home / 20,431,753.04-28,196,014.92-11,264,724.56

Finding the Fourth Proportional to 20,431,753.04, 28,196,014.92 and 11,264,724.56

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Solution

The fourth proportional to 20,431,753.04, 28,196,014.92 and 11,264,724.56 is: 15,545,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,753.04 : 28,196,014.92 = 11,264,724.56 : x
  2. Step 2: Convert to fraction form
    20,431,753.04/28,196,014.92 = 11,264,724.56/x
  3. Step 3: Cross multiply
    20,431,753.04x = 28,196,014.92 × 11,264,724.56
  4. Step 4: Simplify right side
    20,431,753.04x = 317,620,341,763,450.50
  5. Step 5: Solve for x
    x = 317,620,341,763,450.50/20,431,753.04
  6. Step 6: Final answer
    x = 15,545,427.80

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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.