Home / 20,729,600.16-28,606,767.81-11,437,748.61

Finding the Fourth Proportional to 20,729,600.16, 28,606,767.81 and 11,437,748.61

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Solution

The fourth proportional to 20,729,600.16, 28,606,767.81 and 11,437,748.61 is: 15,784,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729,600.16 : 28,606,767.81 = 11,437,748.61 : x
  2. Step 2: Convert to fraction form
    20,729,600.16/28,606,767.81 = 11,437,748.61/x
  3. Step 3: Cross multiply
    20,729,600.16x = 28,606,767.81 × 11,437,748.61
  4. Step 4: Simplify right side
    20,729,600.16x = 327,197,018,605,253.25
  5. Step 5: Solve for x
    x = 327,197,018,605,253.25/20,729,600.16
  6. Step 6: Final answer
    x = 15,784,048.71

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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.