Home / 18,318,956.20-27,478,434.30-9,361,004.20

Finding the Fourth Proportional to 18,318,956.20, 27,478,434.30 and 9,361,004.20

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Solution

The fourth proportional to 18,318,956.20, 27,478,434.30 and 9,361,004.20 is: 14,041,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,956.20 : 27,478,434.30 = 9,361,004.20 : x
  2. Step 2: Convert to fraction form
    18,318,956.20/27,478,434.30 = 9,361,004.20/x
  3. Step 3: Cross multiply
    18,318,956.20x = 27,478,434.30 × 9,361,004.20
  4. Step 4: Simplify right side
    18,318,956.20x = 257,225,738,891,724.03
  5. Step 5: Solve for x
    x = 257,225,738,891,724.03/18,318,956.20
  6. Step 6: Final answer
    x = 14,041,506.30

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Similar ratio
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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.