Home / 18,150,040.64-25,047,058.44-9,890,104.28

Finding the Fourth Proportional to 18,150,040.64, 25,047,058.44 and 9,890,104.28

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Solution

The fourth proportional to 18,150,040.64, 25,047,058.44 and 9,890,104.28 is: 13,648,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,040.64 : 25,047,058.44 = 9,890,104.28 : x
  2. Step 2: Convert to fraction form
    18,150,040.64/25,047,058.44 = 9,890,104.28/x
  3. Step 3: Cross multiply
    18,150,040.64x = 25,047,058.44 × 9,890,104.28
  4. Step 4: Simplify right side
    18,150,040.64x = 247,718,019,878,854.12
  5. Step 5: Solve for x
    x = 247,718,019,878,854.12/18,150,040.64
  6. Step 6: Final answer
    x = 13,648,345.19

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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.