Home / 18,245,970.47-25,179,505.95-9,873,340.28

Finding the Fourth Proportional to 18,245,970.47, 25,179,505.95 and 9,873,340.28

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Solution

The fourth proportional to 18,245,970.47, 25,179,505.95 and 9,873,340.28 is: 13,625,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,970.47 : 25,179,505.95 = 9,873,340.28 : x
  2. Step 2: Convert to fraction form
    18,245,970.47/25,179,505.95 = 9,873,340.28/x
  3. Step 3: Cross multiply
    18,245,970.47x = 25,179,505.95 × 9,873,340.28
  4. Step 4: Simplify right side
    18,245,970.47x = 248,605,830,200,737.12
  5. Step 5: Solve for x
    x = 248,605,830,200,737.12/18,245,970.47
  6. Step 6: Final answer
    x = 13,625,245.68

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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.