Home / 8,219,405.80-12,329,108.70-5,532,020.20

Finding the Fourth Proportional to 8,219,405.80, 12,329,108.70 and 5,532,020.20

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Solution

The fourth proportional to 8,219,405.80, 12,329,108.70 and 5,532,020.20 is: 8,298,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,405.80 : 12,329,108.70 = 5,532,020.20 : x
  2. Step 2: Convert to fraction form
    8,219,405.80/12,329,108.70 = 5,532,020.20/x
  3. Step 3: Cross multiply
    8,219,405.80x = 12,329,108.70 × 5,532,020.20
  4. Step 4: Simplify right side
    8,219,405.80x = 68,204,878,376,395.73
  5. Step 5: Solve for x
    x = 68,204,878,376,395.73/8,219,405.80
  6. Step 6: Final answer
    x = 8,298,030.30

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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.