Home / 12,952,845.20-19,429,267.80-3,976,230.80

Finding the Fourth Proportional to 12,952,845.20, 19,429,267.80 and 3,976,230.80

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Solution

The fourth proportional to 12,952,845.20, 19,429,267.80 and 3,976,230.80 is: 5,964,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,845.20 : 19,429,267.80 = 3,976,230.80 : x
  2. Step 2: Convert to fraction form
    12,952,845.20/19,429,267.80 = 3,976,230.80/x
  3. Step 3: Cross multiply
    12,952,845.20x = 19,429,267.80 × 3,976,230.80
  4. Step 4: Simplify right side
    12,952,845.20x = 77,255,253,047,808.23
  5. Step 5: Solve for x
    x = 77,255,253,047,808.23/12,952,845.20
  6. Step 6: Final answer
    x = 5,964,346.20

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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.