Home / 7,974,911.20-11,961,200.40-2,294,543.20

Finding the Fourth Proportional to 7,974,911.20, 11,961,200.40 and 2,294,543.20

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Solution

The fourth proportional to 7,974,911.20, 11,961,200.40 and 2,294,543.20 is: 3,441,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,911.20 : 11,961,200.40 = 2,294,543.20 : x
  2. Step 2: Convert to fraction form
    7,974,911.20/11,961,200.40 = 2,294,543.20/x
  3. Step 3: Cross multiply
    7,974,911.20x = 11,961,200.40 × 2,294,543.20
  4. Step 4: Simplify right side
    7,974,911.20x = 27,445,491,041,657.28
  5. Step 5: Solve for x
    x = 27,445,491,041,657.28/7,974,911.20
  6. Step 6: Final answer
    x = 3,441,479.20

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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.