Home / 18,306,077.60-27,459,116.40-4,659,197.60

Finding the Fourth Proportional to 18,306,077.60, 27,459,116.40 and 4,659,197.60

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Solution

The fourth proportional to 18,306,077.60, 27,459,116.40 and 4,659,197.60 is: 6,988,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,077.60 : 27,459,116.40 = 4,659,197.60 : x
  2. Step 2: Convert to fraction form
    18,306,077.60/27,459,116.40 = 4,659,197.60/x
  3. Step 3: Cross multiply
    18,306,077.60x = 27,459,116.40 × 4,659,197.60
  4. Step 4: Simplify right side
    18,306,077.60x = 127,937,449,229,000.62
  5. Step 5: Solve for x
    x = 127,937,449,229,000.62/18,306,077.60
  6. Step 6: Final answer
    x = 6,988,796.40

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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.