Home / 30,581,612.20-45,872,418.30-16,976,722.60

Finding the Fourth Proportional to 30,581,612.20, 45,872,418.30 and 16,976,722.60

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Solution

The fourth proportional to 30,581,612.20, 45,872,418.30 and 16,976,722.60 is: 25,465,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,612.20 : 45,872,418.30 = 16,976,722.60 : x
  2. Step 2: Convert to fraction form
    30,581,612.20/45,872,418.30 = 16,976,722.60/x
  3. Step 3: Cross multiply
    30,581,612.20x = 45,872,418.30 × 16,976,722.60
  4. Step 4: Simplify right side
    30,581,612.20x = 778,763,320,470,263.62
  5. Step 5: Solve for x
    x = 778,763,320,470,263.62/30,581,612.20
  6. Step 6: Final answer
    x = 25,465,083.90

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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.