Home / 20,640,701.70-30,994,100.55-16,416,000.90

Finding the Fourth Proportional to 20,640,701.70, 30,994,100.55 and 16,416,000.90

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Solution

The fourth proportional to 20,640,701.70, 30,994,100.55 and 16,416,000.90 is: 24,650,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640,701.70 : 30,994,100.55 = 16,416,000.90 : x
  2. Step 2: Convert to fraction form
    20,640,701.70/30,994,100.55 = 16,416,000.90/x
  3. Step 3: Cross multiply
    20,640,701.70x = 30,994,100.55 × 16,416,000.90
  4. Step 4: Simplify right side
    20,640,701.70x = 508,799,182,523,490.50
  5. Step 5: Solve for x
    x = 508,799,182,523,490.50/20,640,701.70
  6. Step 6: Final answer
    x = 24,650,285.15

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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.