Home / 20,592,510-28,417,667.22-11,425,130.88

Finding the Fourth Proportional to 20,592,510, 28,417,667.22 and 11,425,130.88

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Solution

The fourth proportional to 20,592,510, 28,417,667.22 and 11,425,130.88 is: 15,766,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,510 : 28,417,667.22 = 11,425,130.88 : x
  2. Step 2: Convert to fraction form
    20,592,510/28,417,667.22 = 11,425,130.88/x
  3. Step 3: Cross multiply
    20,592,510x = 28,417,667.22 × 11,425,130.88
  4. Step 4: Simplify right side
    20,592,510x = 324,675,567,292,785.75
  5. Step 5: Solve for x
    x = 324,675,567,292,785.75/20,592,510
  6. Step 6: Final answer
    x = 15,766,682.51

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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.