Home / 28,548,006.92-39,396,289.02-15,495,268.40

Finding the Fourth Proportional to 28,548,006.92, 39,396,289.02 and 15,495,268.40

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Solution

The fourth proportional to 28,548,006.92, 39,396,289.02 and 15,495,268.40 is: 21,383,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,006.92 : 39,396,289.02 = 15,495,268.40 : x
  2. Step 2: Convert to fraction form
    28,548,006.92/39,396,289.02 = 15,495,268.40/x
  3. Step 3: Cross multiply
    28,548,006.92x = 39,396,289.02 × 15,495,268.40
  4. Step 4: Simplify right side
    28,548,006.92x = 610,456,072,328,873
  5. Step 5: Solve for x
    x = 610,456,072,328,873/28,548,006.92
  6. Step 6: Final answer
    x = 21,383,491.82

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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.