Home / 34,762,836.40-47,972,766.79-18,867,926.90

Finding the Fourth Proportional to 34,762,836.40, 47,972,766.79 and 18,867,926.90

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Solution

The fourth proportional to 34,762,836.40, 47,972,766.79 and 18,867,926.90 is: 26,037,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,762,836.40 : 47,972,766.79 = 18,867,926.90 : x
  2. Step 2: Convert to fraction form
    34,762,836.40/47,972,766.79 = 18,867,926.90/x
  3. Step 3: Cross multiply
    34,762,836.40x = 47,972,766.79 × 18,867,926.90
  4. Step 4: Simplify right side
    34,762,836.40x = 905,146,656,687,247.12
  5. Step 5: Solve for x
    x = 905,146,656,687,247.12/34,762,836.40
  6. Step 6: Final answer
    x = 26,037,767.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.