Home / 38,248,919.56-52,781,968.47-20,844,890.20

Finding the Fourth Proportional to 38,248,919.56, 52,781,968.47 and 20,844,890.20

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Solution

The fourth proportional to 38,248,919.56, 52,781,968.47 and 20,844,890.20 is: 28,765,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248,919.56 : 52,781,968.47 = 20,844,890.20 : x
  2. Step 2: Convert to fraction form
    38,248,919.56/52,781,968.47 = 20,844,890.20/x
  3. Step 3: Cross multiply
    38,248,919.56x = 52,781,968.47 × 20,844,890.20
  4. Step 4: Simplify right side
    38,248,919.56x = 1,100,234,337,297,011.88
  5. Step 5: Solve for x
    x = 1,100,234,337,297,011.88/38,248,919.56
  6. Step 6: Final answer
    x = 28,765,108.92

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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.