Home / 28,548,087.28-39,396,400.30-15,495,348.90

Finding the Fourth Proportional to 28,548,087.28, 39,396,400.30 and 15,495,348.90

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Solution

The fourth proportional to 28,548,087.28, 39,396,400.30 and 15,495,348.90 is: 21,383,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,087.28 : 39,396,400.30 = 15,495,348.90 : x
  2. Step 2: Convert to fraction form
    28,548,087.28/39,396,400.30 = 15,495,348.90/x
  3. Step 3: Cross multiply
    28,548,087.28x = 39,396,400.30 × 15,495,348.90
  4. Step 4: Simplify right side
    28,548,087.28x = 610,460,968,052,564.62
  5. Step 5: Solve for x
    x = 610,460,968,052,564.62/28,548,087.28
  6. Step 6: Final answer
    x = 21,383,603.11

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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.