Home / 19,150,504.60-28,746,752.10-11,970,146.20

Finding the Fourth Proportional to 19,150,504.60, 28,746,752.10 and 11,970,146.20

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Solution

The fourth proportional to 19,150,504.60, 28,746,752.10 and 11,970,146.20 is: 17,968,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150,504.60 : 28,746,752.10 = 11,970,146.20 : x
  2. Step 2: Convert to fraction form
    19,150,504.60/28,746,752.10 = 11,970,146.20/x
  3. Step 3: Cross multiply
    19,150,504.60x = 28,746,752.10 × 11,970,146.20
  4. Step 4: Simplify right side
    19,150,504.60x = 344,102,825,412,157
  5. Step 5: Solve for x
    x = 344,102,825,412,157/19,150,504.60
  6. Step 6: Final answer
    x = 17,968,342.48

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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.