Home / 10,650,830.40-15,976,245.60-8,950,219.20

Finding the Fourth Proportional to 10,650,830.40, 15,976,245.60 and 8,950,219.20

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Solution

The fourth proportional to 10,650,830.40, 15,976,245.60 and 8,950,219.20 is: 13,425,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650,830.40 : 15,976,245.60 = 8,950,219.20 : x
  2. Step 2: Convert to fraction form
    10,650,830.40/15,976,245.60 = 8,950,219.20/x
  3. Step 3: Cross multiply
    10,650,830.40x = 15,976,245.60 × 8,950,219.20
  4. Step 4: Simplify right side
    10,650,830.40x = 142,990,900,113,035.50
  5. Step 5: Solve for x
    x = 142,990,900,113,035.50/10,650,830.40
  6. Step 6: Final answer
    x = 13,425,328.80

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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.