Home / 8,320,803.60-12,481,205.40-6,977,110.80

Finding the Fourth Proportional to 8,320,803.60, 12,481,205.40 and 6,977,110.80

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Solution

The fourth proportional to 8,320,803.60, 12,481,205.40 and 6,977,110.80 is: 10,465,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,803.60 : 12,481,205.40 = 6,977,110.80 : x
  2. Step 2: Convert to fraction form
    8,320,803.60/12,481,205.40 = 6,977,110.80/x
  3. Step 3: Cross multiply
    8,320,803.60x = 12,481,205.40 × 6,977,110.80
  4. Step 4: Simplify right side
    8,320,803.60x = 87,082,752,993,358.31
  5. Step 5: Solve for x
    x = 87,082,752,993,358.31/8,320,803.60
  6. Step 6: Final answer
    x = 10,465,666.20

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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.