Home / 13,485,006.10-20,227,509.15-13,261,057.30

Finding the Fourth Proportional to 13,485,006.10, 20,227,509.15 and 13,261,057.30

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Solution

The fourth proportional to 13,485,006.10, 20,227,509.15 and 13,261,057.30 is: 19,891,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,006.10 : 20,227,509.15 = 13,261,057.30 : x
  2. Step 2: Convert to fraction form
    13,485,006.10/20,227,509.15 = 13,261,057.30/x
  3. Step 3: Cross multiply
    13,485,006.10x = 20,227,509.15 × 13,261,057.30
  4. Step 4: Simplify right side
    13,485,006.10x = 268,238,157,874,424.28
  5. Step 5: Solve for x
    x = 268,238,157,874,424.28/13,485,006.10
  6. Step 6: Final answer
    x = 19,891,585.95

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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.