Home / 19,928,261.60-29,892,392.40-15,109,863.20

Finding the Fourth Proportional to 19,928,261.60, 29,892,392.40 and 15,109,863.20

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Solution

The fourth proportional to 19,928,261.60, 29,892,392.40 and 15,109,863.20 is: 22,664,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,261.60 : 29,892,392.40 = 15,109,863.20 : x
  2. Step 2: Convert to fraction form
    19,928,261.60/29,892,392.40 = 15,109,863.20/x
  3. Step 3: Cross multiply
    19,928,261.60x = 29,892,392.40 × 15,109,863.20
  4. Step 4: Simplify right side
    19,928,261.60x = 451,669,959,884,719.62
  5. Step 5: Solve for x
    x = 451,669,959,884,719.62/19,928,261.60
  6. Step 6: Final answer
    x = 22,664,794.80

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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.