Home / 38,365,057.68-52,943,161.92-20,961,029.28

Finding the Fourth Proportional to 38,365,057.68, 52,943,161.92 and 20,961,029.28

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Solution

The fourth proportional to 38,365,057.68, 52,943,161.92 and 20,961,029.28 is: 28,925,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365,057.68 : 52,943,161.92 = 20,961,029.28 : x
  2. Step 2: Convert to fraction form
    38,365,057.68/52,943,161.92 = 20,961,029.28/x
  3. Step 3: Cross multiply
    38,365,057.68x = 52,943,161.92 × 20,961,029.28
  4. Step 4: Simplify right side
    38,365,057.68x = 1,109,743,167,180,901.12
  5. Step 5: Solve for x
    x = 1,109,743,167,180,901.12/38,365,057.68
  6. Step 6: Final answer
    x = 28,925,882.93

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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.