Home / 8,298,619.80-12,447,929.70-2,619,418.20

Finding the Fourth Proportional to 8,298,619.80, 12,447,929.70 and 2,619,418.20

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Solution

The fourth proportional to 8,298,619.80, 12,447,929.70 and 2,619,418.20 is: 3,929,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,619.80 : 12,447,929.70 = 2,619,418.20 : x
  2. Step 2: Convert to fraction form
    8,298,619.80/12,447,929.70 = 2,619,418.20/x
  3. Step 3: Cross multiply
    8,298,619.80x = 12,447,929.70 × 2,619,418.20
  4. Step 4: Simplify right side
    8,298,619.80x = 32,606,333,608,500.54
  5. Step 5: Solve for x
    x = 32,606,333,608,500.54/8,298,619.80
  6. Step 6: Final answer
    x = 3,929,127.30

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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.