Home / 20,416,254.24-28,174,408.56-11,248,894.56

Finding the Fourth Proportional to 20,416,254.24, 28,174,408.56 and 11,248,894.56

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Solution

The fourth proportional to 20,416,254.24, 28,174,408.56 and 11,248,894.56 is: 15,523,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,254.24 : 28,174,408.56 = 11,248,894.56 : x
  2. Step 2: Convert to fraction form
    20,416,254.24/28,174,408.56 = 11,248,894.56/x
  3. Step 3: Cross multiply
    20,416,254.24x = 28,174,408.56 × 11,248,894.56
  4. Step 4: Simplify right side
    20,416,254.24x = 316,930,951,181,801.44
  5. Step 5: Solve for x
    x = 316,930,951,181,801.44/20,416,254.24
  6. Step 6: Final answer
    x = 15,523,462.21

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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.