Home / 20,252,129.75-27,948,024.27-10,959,700.27

Finding the Fourth Proportional to 20,252,129.75, 27,948,024.27 and 10,959,700.27

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Solution

The fourth proportional to 20,252,129.75, 27,948,024.27 and 10,959,700.27 is: 15,124,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,129.75 : 27,948,024.27 = 10,959,700.27 : x
  2. Step 2: Convert to fraction form
    20,252,129.75/27,948,024.27 = 10,959,700.27/x
  3. Step 3: Cross multiply
    20,252,129.75x = 27,948,024.27 × 10,959,700.27
  4. Step 4: Simplify right side
    20,252,129.75x = 306,301,969,137,885.56
  5. Step 5: Solve for x
    x = 306,301,969,137,885.56/20,252,129.75
  6. Step 6: Final answer
    x = 15,124,432.49

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1.5x scale

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.