Home / 30,474,113.44-42,055,489.56-16,723,569.64

Finding the Fourth Proportional to 30,474,113.44, 42,055,489.56 and 16,723,569.64

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Solution

The fourth proportional to 30,474,113.44, 42,055,489.56 and 16,723,569.64 is: 23,079,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474,113.44 : 42,055,489.56 = 16,723,569.64 : x
  2. Step 2: Convert to fraction form
    30,474,113.44/42,055,489.56 = 16,723,569.64/x
  3. Step 3: Cross multiply
    30,474,113.44x = 42,055,489.56 × 16,723,569.64
  4. Step 4: Simplify right side
    30,474,113.44x = 703,317,908,400,953
  5. Step 5: Solve for x
    x = 703,317,908,400,953/30,474,113.44
  6. Step 6: Final answer
    x = 23,079,191.78

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Double scale
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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.