Home / 30,808,255.60-42,518,245.68-17,057,219.92

Finding the Fourth Proportional to 30,808,255.60, 42,518,245.68 and 17,057,219.92

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Solution

The fourth proportional to 30,808,255.60, 42,518,245.68 and 17,057,219.92 is: 23,540,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808,255.60 : 42,518,245.68 = 17,057,219.92 : x
  2. Step 2: Convert to fraction form
    30,808,255.60/42,518,245.68 = 17,057,219.92/x
  3. Step 3: Cross multiply
    30,808,255.60x = 42,518,245.68 × 17,057,219.92
  4. Step 4: Simplify right side
    30,808,255.60x = 725,243,067,176,350
  5. Step 5: Solve for x
    x = 725,243,067,176,350/30,808,255.60
  6. Step 6: Final answer
    x = 23,540,543.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.