Home / 28,608,054.15-39,478,839.57-15,555,318.06

Finding the Fourth Proportional to 28,608,054.15, 39,478,839.57 and 15,555,318.06

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Solution

The fourth proportional to 28,608,054.15, 39,478,839.57 and 15,555,318.06 is: 21,466,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,054.15 : 39,478,839.57 = 15,555,318.06 : x
  2. Step 2: Convert to fraction form
    28,608,054.15/39,478,839.57 = 15,555,318.06/x
  3. Step 3: Cross multiply
    28,608,054.15x = 39,478,839.57 × 15,555,318.06
  4. Step 4: Simplify right side
    28,608,054.15x = 614,105,906,151,063.62
  5. Step 5: Solve for x
    x = 614,105,906,151,063.62/28,608,054.15
  6. Step 6: Final answer
    x = 21,466,189.31

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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.