Home / 10,563,550.20-15,857,135.10-8,177,970.60

Finding the Fourth Proportional to 10,563,550.20, 15,857,135.10 and 8,177,970.60

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Solution

The fourth proportional to 10,563,550.20, 15,857,135.10 and 8,177,970.60 is: 12,276,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563,550.20 : 15,857,135.10 = 8,177,970.60 : x
  2. Step 2: Convert to fraction form
    10,563,550.20/15,857,135.10 = 8,177,970.60/x
  3. Step 3: Cross multiply
    10,563,550.20x = 15,857,135.10 × 8,177,970.60
  4. Step 4: Simplify right side
    10,563,550.20x = 129,679,184,648,028.05
  5. Step 5: Solve for x
    x = 129,679,184,648,028.05/10,563,550.20
  6. Step 6: Final answer
    x = 12,276,098.68

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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.