Home / 7,139,414.40-10,693,375.20-4,294,564.80

Finding the Fourth Proportional to 7,139,414.40, 10,693,375.20 and 4,294,564.80

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Solution

The fourth proportional to 7,139,414.40, 10,693,375.20 and 4,294,564.80 is: 6,432,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,414.40 : 10,693,375.20 = 4,294,564.80 : x
  2. Step 2: Convert to fraction form
    7,139,414.40/10,693,375.20 = 4,294,564.80/x
  3. Step 3: Cross multiply
    7,139,414.40x = 10,693,375.20 × 4,294,564.80
  4. Step 4: Simplify right side
    7,139,414.40x = 45,923,392,727,112.95
  5. Step 5: Solve for x
    x = 45,923,392,727,112.95/7,139,414.40
  6. Step 6: Final answer
    x = 6,432,375.28

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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.