Home / 19,929,168.40-29,893,752.60-7,150,964.80

Finding the Fourth Proportional to 19,929,168.40, 29,893,752.60 and 7,150,964.80

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Solution

The fourth proportional to 19,929,168.40, 29,893,752.60 and 7,150,964.80 is: 10,726,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,168.40 : 29,893,752.60 = 7,150,964.80 : x
  2. Step 2: Convert to fraction form
    19,929,168.40/29,893,752.60 = 7,150,964.80/x
  3. Step 3: Cross multiply
    19,929,168.40x = 29,893,752.60 × 7,150,964.80
  4. Step 4: Simplify right side
    19,929,168.40x = 213,769,172,582,508.50
  5. Step 5: Solve for x
    x = 213,769,172,582,508.50/19,929,168.40
  6. Step 6: Final answer
    x = 10,726,447.20

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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.