Home / 13,162,539.60-19,743,809.40-4,187,998.80

Finding the Fourth Proportional to 13,162,539.60, 19,743,809.40 and 4,187,998.80

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Solution

The fourth proportional to 13,162,539.60, 19,743,809.40 and 4,187,998.80 is: 6,281,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,539.60 : 19,743,809.40 = 4,187,998.80 : x
  2. Step 2: Convert to fraction form
    13,162,539.60/19,743,809.40 = 4,187,998.80/x
  3. Step 3: Cross multiply
    13,162,539.60x = 19,743,809.40 × 4,187,998.80
  4. Step 4: Simplify right side
    13,162,539.60x = 82,687,050,074,628.70
  5. Step 5: Solve for x
    x = 82,687,050,074,628.70/13,162,539.60
  6. Step 6: Final answer
    x = 6,281,998.20

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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.