Home / 38,448,003.90-57,672,005.85-20,227,280.70

Finding the Fourth Proportional to 38,448,003.90, 57,672,005.85 and 20,227,280.70

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Solution

The fourth proportional to 38,448,003.90, 57,672,005.85 and 20,227,280.70 is: 30,340,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448,003.90 : 57,672,005.85 = 20,227,280.70 : x
  2. Step 2: Convert to fraction form
    38,448,003.90/57,672,005.85 = 20,227,280.70/x
  3. Step 3: Cross multiply
    38,448,003.90x = 57,672,005.85 × 20,227,280.70
  4. Step 4: Simplify right side
    38,448,003.90x = 1,166,547,850,859,992
  5. Step 5: Solve for x
    x = 1,166,547,850,859,992/38,448,003.90
  6. Step 6: Final answer
    x = 30,340,921.05

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1.5x scale

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.