Home / 8,274,028.40-12,388,006.20-4,221,760.40

Finding the Fourth Proportional to 8,274,028.40, 12,388,006.20 and 4,221,760.40

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Solution

The fourth proportional to 8,274,028.40, 12,388,006.20 and 4,221,760.40 is: 6,320,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274,028.40 : 12,388,006.20 = 4,221,760.40 : x
  2. Step 2: Convert to fraction form
    8,274,028.40/12,388,006.20 = 4,221,760.40/x
  3. Step 3: Cross multiply
    8,274,028.40x = 12,388,006.20 × 4,221,760.40
  4. Step 4: Simplify right side
    8,274,028.40x = 52,299,194,010,114.48
  5. Step 5: Solve for x
    x = 52,299,194,010,114.48/8,274,028.40
  6. Step 6: Final answer
    x = 6,320,886.45

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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.