Home / 19,117,517.60-28,672,291.20-6,992,692.40

Finding the Fourth Proportional to 19,117,517.60, 28,672,291.20 and 6,992,692.40

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Solution

The fourth proportional to 19,117,517.60, 28,672,291.20 and 6,992,692.40 is: 10,487,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117,517.60 : 28,672,291.20 = 6,992,692.40 : x
  2. Step 2: Convert to fraction form
    19,117,517.60/28,672,291.20 = 6,992,692.40/x
  3. Step 3: Cross multiply
    19,117,517.60x = 28,672,291.20 × 6,992,692.40
  4. Step 4: Simplify right side
    19,117,517.60x = 200,496,512,764,826.88
  5. Step 5: Solve for x
    x = 200,496,512,764,826.88/19,117,517.60
  6. Step 6: Final answer
    x = 10,487,580.92

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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.