Home / 20,634,414.20-30,878,138.10-17,968,023.80

Finding the Fourth Proportional to 20,634,414.20, 30,878,138.10 and 17,968,023.80

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Solution

The fourth proportional to 20,634,414.20, 30,878,138.10 and 17,968,023.80 is: 26,888,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634,414.20 : 30,878,138.10 = 17,968,023.80 : x
  2. Step 2: Convert to fraction form
    20,634,414.20/30,878,138.10 = 17,968,023.80/x
  3. Step 3: Cross multiply
    20,634,414.20x = 30,878,138.10 × 17,968,023.80
  4. Step 4: Simplify right side
    20,634,414.20x = 554,819,120,280,486.81
  5. Step 5: Solve for x
    x = 554,819,120,280,486.81/20,634,414.20
  6. Step 6: Final answer
    x = 26,888,048.04

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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.