Home / 12,236,474.30-18,354,711.45-10,245,818.30

Finding the Fourth Proportional to 12,236,474.30, 18,354,711.45 and 10,245,818.30

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Solution

The fourth proportional to 12,236,474.30, 18,354,711.45 and 10,245,818.30 is: 15,368,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,474.30 : 18,354,711.45 = 10,245,818.30 : x
  2. Step 2: Convert to fraction form
    12,236,474.30/18,354,711.45 = 10,245,818.30/x
  3. Step 3: Cross multiply
    12,236,474.30x = 18,354,711.45 × 10,245,818.30
  4. Step 4: Simplify right side
    12,236,474.30x = 188,059,038,465,629.53
  5. Step 5: Solve for x
    x = 188,059,038,465,629.53/12,236,474.30
  6. Step 6: Final answer
    x = 15,368,727.45

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Double scale
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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.