Home / 43,681,402.20-65,525,213.70-13,389,216.60

Finding the Fourth Proportional to 43,681,402.20, 65,525,213.70 and 13,389,216.60

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Solution

The fourth proportional to 43,681,402.20, 65,525,213.70 and 13,389,216.60 is: 20,084,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681,402.20 : 65,525,213.70 = 13,389,216.60 : x
  2. Step 2: Convert to fraction form
    43,681,402.20/65,525,213.70 = 13,389,216.60/x
  3. Step 3: Cross multiply
    43,681,402.20x = 65,525,213.70 × 13,389,216.60
  4. Step 4: Simplify right side
    43,681,402.20x = 877,331,278,990,587.38
  5. Step 5: Solve for x
    x = 877,331,278,990,587.38/43,681,402.20
  6. Step 6: Final answer
    x = 20,084,778.30

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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.