Home / 20,934,049.80-28,884,753.64-12,230,541.48

Finding the Fourth Proportional to 20,934,049.80, 28,884,753.64 and 12,230,541.48

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Solution

The fourth proportional to 20,934,049.80, 28,884,753.64 and 12,230,541.48 is: 16,875,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,049.80 : 28,884,753.64 = 12,230,541.48 : x
  2. Step 2: Convert to fraction form
    20,934,049.80/28,884,753.64 = 12,230,541.48/x
  3. Step 3: Cross multiply
    20,934,049.80x = 28,884,753.64 × 12,230,541.48
  4. Step 4: Simplify right side
    20,934,049.80x = 353,276,177,533,601
  5. Step 5: Solve for x
    x = 353,276,177,533,601/20,934,049.80
  6. Step 6: Final answer
    x = 16,875,672.93

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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.