Home / 28,675,087.04-39,571,500.64-15,622,305.28

Finding the Fourth Proportional to 28,675,087.04, 39,571,500.64 and 15,622,305.28

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Solution

The fourth proportional to 28,675,087.04, 39,571,500.64 and 15,622,305.28 is: 21,558,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675,087.04 : 39,571,500.64 = 15,622,305.28 : x
  2. Step 2: Convert to fraction form
    28,675,087.04/39,571,500.64 = 15,622,305.28/x
  3. Step 3: Cross multiply
    28,675,087.04x = 39,571,500.64 × 15,622,305.28
  4. Step 4: Simplify right side
    28,675,087.04x = 618,198,063,385,795.38
  5. Step 5: Solve for x
    x = 618,198,063,385,795.38/28,675,087.04
  6. Step 6: Final answer
    x = 21,558,716.20

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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.