Home / 15,016,565-20,739,966.92-10,179,270.92

Finding the Fourth Proportional to 15,016,565, 20,739,966.92 and 10,179,270.92

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Solution

The fourth proportional to 15,016,565, 20,739,966.92 and 10,179,270.92 is: 14,058,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,565 : 20,739,966.92 = 10,179,270.92 : x
  2. Step 2: Convert to fraction form
    15,016,565/20,739,966.92 = 10,179,270.92/x
  3. Step 3: Cross multiply
    15,016,565x = 20,739,966.92 × 10,179,270.92
  4. Step 4: Simplify right side
    15,016,565x = 211,117,742,150,517.97
  5. Step 5: Solve for x
    x = 211,117,742,150,517.97/15,016,565
  6. Step 6: Final answer
    x = 14,058,990.33

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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.