Home / 9,777,320.40-14,650,234.20-8,171,187.60

Finding the Fourth Proportional to 9,777,320.40, 14,650,234.20 and 8,171,187.60

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Solution

The fourth proportional to 9,777,320.40, 14,650,234.20 and 8,171,187.60 is: 12,243,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,320.40 : 14,650,234.20 = 8,171,187.60 : x
  2. Step 2: Convert to fraction form
    9,777,320.40/14,650,234.20 = 8,171,187.60/x
  3. Step 3: Cross multiply
    9,777,320.40x = 14,650,234.20 × 8,171,187.60
  4. Step 4: Simplify right side
    9,777,320.40x = 119,709,812,032,135.91
  5. Step 5: Solve for x
    x = 119,709,812,032,135.91/9,777,320.40
  6. Step 6: Final answer
    x = 12,243,621.68

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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.