Home / 20,079,445.55-27,699,436.82-13,114,200.47

Finding the Fourth Proportional to 20,079,445.55, 27,699,436.82 and 13,114,200.47

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Solution

The fourth proportional to 20,079,445.55, 27,699,436.82 and 13,114,200.47 is: 18,090,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,445.55 : 27,699,436.82 = 13,114,200.47 : x
  2. Step 2: Convert to fraction form
    20,079,445.55/27,699,436.82 = 13,114,200.47/x
  3. Step 3: Cross multiply
    20,079,445.55x = 27,699,436.82 × 13,114,200.47
  4. Step 4: Simplify right side
    20,079,445.55x = 363,255,967,257,867.62
  5. Step 5: Solve for x
    x = 363,255,967,257,867.62/20,079,445.55
  6. Step 6: Final answer
    x = 18,090,936.15

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1.5x scale

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.