Home / 20,341,908.13-28,072,135.17-11,049,659.41

Finding the Fourth Proportional to 20,341,908.13, 28,072,135.17 and 11,049,659.41

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Solution

The fourth proportional to 20,341,908.13, 28,072,135.17 and 11,049,659.41 is: 15,248,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,908.13 : 28,072,135.17 = 11,049,659.41 : x
  2. Step 2: Convert to fraction form
    20,341,908.13/28,072,135.17 = 11,049,659.41/x
  3. Step 3: Cross multiply
    20,341,908.13x = 28,072,135.17 × 11,049,659.41
  4. Step 4: Simplify right side
    20,341,908.13x = 310,187,532,539,982.50
  5. Step 5: Solve for x
    x = 310,187,532,539,982.50/20,341,908.13
  6. Step 6: Final answer
    x = 15,248,694.00

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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.