Home / 8,086,483.20-12,129,724.80-2,102,851.20

Finding the Fourth Proportional to 8,086,483.20, 12,129,724.80 and 2,102,851.20

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Solution

The fourth proportional to 8,086,483.20, 12,129,724.80 and 2,102,851.20 is: 3,154,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,483.20 : 12,129,724.80 = 2,102,851.20 : x
  2. Step 2: Convert to fraction form
    8,086,483.20/12,129,724.80 = 2,102,851.20/x
  3. Step 3: Cross multiply
    8,086,483.20x = 12,129,724.80 × 2,102,851.20
  4. Step 4: Simplify right side
    8,086,483.20x = 25,507,006,351,349.77
  5. Step 5: Solve for x
    x = 25,507,006,351,349.77/8,086,483.20
  6. Step 6: Final answer
    x = 3,154,276.80

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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.