Home / 11,819,785.40-17,729,678.10-10,326,793.40

Finding the Fourth Proportional to 11,819,785.40, 17,729,678.10 and 10,326,793.40

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Solution

The fourth proportional to 11,819,785.40, 17,729,678.10 and 10,326,793.40 is: 15,490,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,785.40 : 17,729,678.10 = 10,326,793.40 : x
  2. Step 2: Convert to fraction form
    11,819,785.40/17,729,678.10 = 10,326,793.40/x
  3. Step 3: Cross multiply
    11,819,785.40x = 17,729,678.10 × 10,326,793.40
  4. Step 4: Simplify right side
    11,819,785.40x = 183,090,722,787,204.56
  5. Step 5: Solve for x
    x = 183,090,722,787,204.56/11,819,785.40
  6. Step 6: Final answer
    x = 15,490,190.10

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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.