Home / 48,083,638.28-72,128,791.38-19,329,785.24

Finding the Fourth Proportional to 48,083,638.28, 72,128,791.38 and 19,329,785.24

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Solution

The fourth proportional to 48,083,638.28, 72,128,791.38 and 19,329,785.24 is: 28,996,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,083,638.28 : 72,128,791.38 = 19,329,785.24 : x
  2. Step 2: Convert to fraction form
    48,083,638.28/72,128,791.38 = 19,329,785.24/x
  3. Step 3: Cross multiply
    48,083,638.28x = 72,128,791.38 × 19,329,785.24
  4. Step 4: Simplify right side
    48,083,638.28x = 1,394,234,046,996,163
  5. Step 5: Solve for x
    x = 1,394,234,046,996,163/48,083,638.28
  6. Step 6: Final answer
    x = 28,996,018.12

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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.