Home / 38,181,455.70-52,690,209.54-20,777,925.48

Finding the Fourth Proportional to 38,181,455.70, 52,690,209.54 and 20,777,925.48

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Solution

The fourth proportional to 38,181,455.70, 52,690,209.54 and 20,777,925.48 is: 28,673,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181,455.70 : 52,690,209.54 = 20,777,925.48 : x
  2. Step 2: Convert to fraction form
    38,181,455.70/52,690,209.54 = 20,777,925.48/x
  3. Step 3: Cross multiply
    38,181,455.70x = 52,690,209.54 × 20,777,925.48
  4. Step 4: Simplify right side
    38,181,455.70x = 1,094,793,247,347,705.12
  5. Step 5: Solve for x
    x = 1,094,793,247,347,705.12/38,181,455.70
  6. Step 6: Final answer
    x = 28,673,428.69

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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.