Home / 8,365,166.40-12,560,191.20-6,474,043.20

Finding the Fourth Proportional to 8,365,166.40, 12,560,191.20 and 6,474,043.20

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Solution

The fourth proportional to 8,365,166.40, 12,560,191.20 and 6,474,043.20 is: 9,720,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,166.40 : 12,560,191.20 = 6,474,043.20 : x
  2. Step 2: Convert to fraction form
    8,365,166.40/12,560,191.20 = 6,474,043.20/x
  3. Step 3: Cross multiply
    8,365,166.40x = 12,560,191.20 × 6,474,043.20
  4. Step 4: Simplify right side
    8,365,166.40x = 81,315,220,429,059.84
  5. Step 5: Solve for x
    x = 81,315,220,429,059.84/8,365,166.40
  6. Step 6: Final answer
    x = 9,720,693.71

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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.