Home / 35,948,951.28-49,610,426.40-21,820,297.05

Finding the Fourth Proportional to 35,948,951.28, 49,610,426.40 and 21,820,297.05

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Solution

The fourth proportional to 35,948,951.28, 49,610,426.40 and 21,820,297.05 is: 30,112,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948,951.28 : 49,610,426.40 = 21,820,297.05 : x
  2. Step 2: Convert to fraction form
    35,948,951.28/49,610,426.40 = 21,820,297.05/x
  3. Step 3: Cross multiply
    35,948,951.28x = 49,610,426.40 × 21,820,297.05
  4. Step 4: Simplify right side
    35,948,951.28x = 1,082,514,240,825,162.12
  5. Step 5: Solve for x
    x = 1,082,514,240,825,162.12/35,948,951.28
  6. Step 6: Final answer
    x = 30,112,540.21

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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.