Home / 12,539,808.80-18,809,713.20-4,026,255.20

Finding the Fourth Proportional to 12,539,808.80, 18,809,713.20 and 4,026,255.20

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Solution

The fourth proportional to 12,539,808.80, 18,809,713.20 and 4,026,255.20 is: 6,039,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,808.80 : 18,809,713.20 = 4,026,255.20 : x
  2. Step 2: Convert to fraction form
    12,539,808.80/18,809,713.20 = 4,026,255.20/x
  3. Step 3: Cross multiply
    12,539,808.80x = 18,809,713.20 × 4,026,255.20
  4. Step 4: Simplify right side
    12,539,808.80x = 75,732,705,582,008.64
  5. Step 5: Solve for x
    x = 75,732,705,582,008.64/12,539,808.80
  6. Step 6: Final answer
    x = 6,039,382.80

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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.