Home / 20,292,711.49-28,003,979.24-11,000,252.81

Finding the Fourth Proportional to 20,292,711.49, 28,003,979.24 and 11,000,252.81

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Solution

The fourth proportional to 20,292,711.49, 28,003,979.24 and 11,000,252.81 is: 15,180,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,711.49 : 28,003,979.24 = 11,000,252.81 : x
  2. Step 2: Convert to fraction form
    20,292,711.49/28,003,979.24 = 11,000,252.81/x
  3. Step 3: Cross multiply
    20,292,711.49x = 28,003,979.24 × 11,000,252.81
  4. Step 4: Simplify right side
    20,292,711.49x = 308,050,851,325,991.69
  5. Step 5: Solve for x
    x = 308,050,851,325,991.69/20,292,711.49
  6. Step 6: Final answer
    x = 15,180,369.14

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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.