Home / 38,298,958.20-57,485,762.10-19,151,335.80

Finding the Fourth Proportional to 38,298,958.20, 57,485,762.10 and 19,151,335.80

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Solution

The fourth proportional to 38,298,958.20, 57,485,762.10 and 19,151,335.80 is: 28,745,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,958.20 : 57,485,762.10 = 19,151,335.80 : x
  2. Step 2: Convert to fraction form
    38,298,958.20/57,485,762.10 = 19,151,335.80/x
  3. Step 3: Cross multiply
    38,298,958.20x = 57,485,762.10 × 19,151,335.80
  4. Step 4: Simplify right side
    38,298,958.20x = 1,100,929,133,696,013.25
  5. Step 5: Solve for x
    x = 1,100,929,133,696,013.25/38,298,958.20
  6. Step 6: Final answer
    x = 28,745,667.91

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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.