Home / 18,121,534.40-27,182,301.60-6,154,270.40

Finding the Fourth Proportional to 18,121,534.40, 27,182,301.60 and 6,154,270.40

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Solution

The fourth proportional to 18,121,534.40, 27,182,301.60 and 6,154,270.40 is: 9,231,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,534.40 : 27,182,301.60 = 6,154,270.40 : x
  2. Step 2: Convert to fraction form
    18,121,534.40/27,182,301.60 = 6,154,270.40/x
  3. Step 3: Cross multiply
    18,121,534.40x = 27,182,301.60 × 6,154,270.40
  4. Step 4: Simplify right side
    18,121,534.40x = 167,287,234,140,752.66
  5. Step 5: Solve for x
    x = 167,287,234,140,752.66/18,121,534.40
  6. Step 6: Final answer
    x = 9,231,405.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.