Home / 18,127,018.67-25,015,801.41-9,867,613.59

Finding the Fourth Proportional to 18,127,018.67, 25,015,801.41 and 9,867,613.59

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Solution

The fourth proportional to 18,127,018.67, 25,015,801.41 and 9,867,613.59 is: 13,617,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,018.67 : 25,015,801.41 = 9,867,613.59 : x
  2. Step 2: Convert to fraction form
    18,127,018.67/25,015,801.41 = 9,867,613.59/x
  3. Step 3: Cross multiply
    18,127,018.67x = 25,015,801.41 × 9,867,613.59
  4. Step 4: Simplify right side
    18,127,018.67x = 246,846,261,958,057.16
  5. Step 5: Solve for x
    x = 246,846,261,958,057.16/18,127,018.67
  6. Step 6: Final answer
    x = 13,617,587.45

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1.5x scale

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.