Home / 18,127,177.08-25,015,823.24-9,867,476.76

Finding the Fourth Proportional to 18,127,177.08, 25,015,823.24 and 9,867,476.76

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Solution

The fourth proportional to 18,127,177.08, 25,015,823.24 and 9,867,476.76 is: 13,617,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,177.08 : 25,015,823.24 = 9,867,476.76 : x
  2. Step 2: Convert to fraction form
    18,127,177.08/25,015,823.24 = 9,867,476.76/x
  3. Step 3: Cross multiply
    18,127,177.08x = 25,015,823.24 × 9,867,476.76
  4. Step 4: Simplify right side
    18,127,177.08x = 246,843,054,403,630.50
  5. Step 5: Solve for x
    x = 246,843,054,403,630.50/18,127,177.08
  6. Step 6: Final answer
    x = 13,617,291.50

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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.