Home / 8,585,811.80-12,887,012.10-5,226,579.80

Finding the Fourth Proportional to 8,585,811.80, 12,887,012.10 and 5,226,579.80

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Solution

The fourth proportional to 8,585,811.80, 12,887,012.10 and 5,226,579.80 is: 7,844,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,811.80 : 12,887,012.10 = 5,226,579.80 : x
  2. Step 2: Convert to fraction form
    8,585,811.80/12,887,012.10 = 5,226,579.80/x
  3. Step 3: Cross multiply
    8,585,811.80x = 12,887,012.10 × 5,226,579.80
  4. Step 4: Simplify right side
    8,585,811.80x = 67,354,997,124,215.58
  5. Step 5: Solve for x
    x = 67,354,997,124,215.58/8,585,811.80
  6. Step 6: Final answer
    x = 7,844,918.88

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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.