Home / 20,851,244.70-31,254,057.45-7,381,139.10

Finding the Fourth Proportional to 20,851,244.70, 31,254,057.45 and 7,381,139.10

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Solution

The fourth proportional to 20,851,244.70, 31,254,057.45 and 7,381,139.10 is: 11,063,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,244.70 : 31,254,057.45 = 7,381,139.10 : x
  2. Step 2: Convert to fraction form
    20,851,244.70/31,254,057.45 = 7,381,139.10/x
  3. Step 3: Cross multiply
    20,851,244.70x = 31,254,057.45 × 7,381,139.10
  4. Step 4: Simplify right side
    20,851,244.70x = 230,690,545,477,841.28
  5. Step 5: Solve for x
    x = 230,690,545,477,841.28/20,851,244.70
  6. Step 6: Final answer
    x = 11,063,634.27

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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.