Home / 8,931,340.20-13,397,010.30-8,856,690.60

Finding the Fourth Proportional to 8,931,340.20, 13,397,010.30 and 8,856,690.60

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Solution

The fourth proportional to 8,931,340.20, 13,397,010.30 and 8,856,690.60 is: 13,285,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,340.20 : 13,397,010.30 = 8,856,690.60 : x
  2. Step 2: Convert to fraction form
    8,931,340.20/13,397,010.30 = 8,856,690.60/x
  3. Step 3: Cross multiply
    8,931,340.20x = 13,397,010.30 × 8,856,690.60
  4. Step 4: Simplify right side
    8,931,340.20x = 118,653,175,192,113.19
  5. Step 5: Solve for x
    x = 118,653,175,192,113.19/8,931,340.20
  6. Step 6: Final answer
    x = 13,285,035.90

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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.