Home / 19,992,504.20-29,988,756.30-12,434,232.20

Finding the Fourth Proportional to 19,992,504.20, 29,988,756.30 and 12,434,232.20

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Solution

The fourth proportional to 19,992,504.20, 29,988,756.30 and 12,434,232.20 is: 18,651,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992,504.20 : 29,988,756.30 = 12,434,232.20 : x
  2. Step 2: Convert to fraction form
    19,992,504.20/29,988,756.30 = 12,434,232.20/x
  3. Step 3: Cross multiply
    19,992,504.20x = 29,988,756.30 × 12,434,232.20
  4. Step 4: Simplify right side
    19,992,504.20x = 372,887,159,223,412.88
  5. Step 5: Solve for x
    x = 372,887,159,223,412.88/19,992,504.20
  6. Step 6: Final answer
    x = 18,651,348.30

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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.