Home / 13,181,419.80-19,764,552.69-7,025,818.59

Finding the Fourth Proportional to 13,181,419.80, 19,764,552.69 and 7,025,818.59

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Solution

The fourth proportional to 13,181,419.80, 19,764,552.69 and 7,025,818.59 is: 10,534,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,419.80 : 19,764,552.69 = 7,025,818.59 : x
  2. Step 2: Convert to fraction form
    13,181,419.80/19,764,552.69 = 7,025,818.59/x
  3. Step 3: Cross multiply
    13,181,419.80x = 19,764,552.69 × 7,025,818.59
  4. Step 4: Simplify right side
    13,181,419.80x = 138,862,161,712,436.52
  5. Step 5: Solve for x
    x = 138,862,161,712,436.52/13,181,419.80
  6. Step 6: Final answer
    x = 10,534,689.27

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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.