Home / 28,463,607.68-39,279,726.56-15,410,864.80

Finding the Fourth Proportional to 28,463,607.68, 39,279,726.56 and 15,410,864.80

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Solution

The fourth proportional to 28,463,607.68, 39,279,726.56 and 15,410,864.80 is: 21,266,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,607.68 : 39,279,726.56 = 15,410,864.80 : x
  2. Step 2: Convert to fraction form
    28,463,607.68/39,279,726.56 = 15,410,864.80/x
  3. Step 3: Cross multiply
    28,463,607.68x = 39,279,726.56 × 15,410,864.80
  4. Step 4: Simplify right side
    28,463,607.68x = 605,334,555,397,129.12
  5. Step 5: Solve for x
    x = 605,334,555,397,129.12/28,463,607.68
  6. Step 6: Final answer
    x = 21,266,965.25

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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.