Home / 18,321,298.80-25,269,382.31-12,445,463.52

Finding the Fourth Proportional to 18,321,298.80, 25,269,382.31 and 12,445,463.52

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Solution

The fourth proportional to 18,321,298.80, 25,269,382.31 and 12,445,463.52 is: 17,165,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,298.80 : 25,269,382.31 = 12,445,463.52 : x
  2. Step 2: Convert to fraction form
    18,321,298.80/25,269,382.31 = 12,445,463.52/x
  3. Step 3: Cross multiply
    18,321,298.80x = 25,269,382.31 × 12,445,463.52
  4. Step 4: Simplify right side
    18,321,298.80x = 314,489,175,712,038.31
  5. Step 5: Solve for x
    x = 314,489,175,712,038.31/18,321,298.80
  6. Step 6: Final answer
    x = 17,165,222.79

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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.