Home / 12,474,020.40-18,711,030.60-3,954,343.20

Finding the Fourth Proportional to 12,474,020.40, 18,711,030.60 and 3,954,343.20

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Solution

The fourth proportional to 12,474,020.40, 18,711,030.60 and 3,954,343.20 is: 5,931,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,020.40 : 18,711,030.60 = 3,954,343.20 : x
  2. Step 2: Convert to fraction form
    12,474,020.40/18,711,030.60 = 3,954,343.20/x
  3. Step 3: Cross multiply
    12,474,020.40x = 18,711,030.60 × 3,954,343.20
  4. Step 4: Simplify right side
    12,474,020.40x = 73,989,836,618,101.92
  5. Step 5: Solve for x
    x = 73,989,836,618,101.92/12,474,020.40
  6. Step 6: Final answer
    x = 5,931,514.80

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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.