Home / 10,777,320.80-16,165,981.20-9,714,438.80

Finding the Fourth Proportional to 10,777,320.80, 16,165,981.20 and 9,714,438.80

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Solution

The fourth proportional to 10,777,320.80, 16,165,981.20 and 9,714,438.80 is: 14,571,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,320.80 : 16,165,981.20 = 9,714,438.80 : x
  2. Step 2: Convert to fraction form
    10,777,320.80/16,165,981.20 = 9,714,438.80/x
  3. Step 3: Cross multiply
    10,777,320.80x = 16,165,981.20 × 9,714,438.80
  4. Step 4: Simplify right side
    10,777,320.80x = 157,043,435,009,350.56
  5. Step 5: Solve for x
    x = 157,043,435,009,350.56/10,777,320.80
  6. Step 6: Final answer
    x = 14,571,658.20

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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.