Home / 28,500,832.20-39,330,191.70-16,891,503.60

Finding the Fourth Proportional to 28,500,832.20, 39,330,191.70 and 16,891,503.60

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Solution

The fourth proportional to 28,500,832.20, 39,330,191.70 and 16,891,503.60 is: 23,309,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,832.20 : 39,330,191.70 = 16,891,503.60 : x
  2. Step 2: Convert to fraction form
    28,500,832.20/39,330,191.70 = 16,891,503.60/x
  3. Step 3: Cross multiply
    28,500,832.20x = 39,330,191.70 × 16,891,503.60
  4. Step 4: Simplify right side
    28,500,832.20x = 664,346,074,689,240.25
  5. Step 5: Solve for x
    x = 664,346,074,689,240.25/28,500,832.20
  6. Step 6: Final answer
    x = 23,309,707.94

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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.