Home / 13,120,992.90-19,680,160.49-3,537,340.20

Finding the Fourth Proportional to 13,120,992.90, 19,680,160.49 and 3,537,340.20

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Solution

The fourth proportional to 13,120,992.90, 19,680,160.49 and 3,537,340.20 is: 5,305,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,992.90 : 19,680,160.49 = 3,537,340.20 : x
  2. Step 2: Convert to fraction form
    13,120,992.90/19,680,160.49 = 3,537,340.20/x
  3. Step 3: Cross multiply
    13,120,992.90x = 19,680,160.49 × 3,537,340.20
  4. Step 4: Simplify right side
    13,120,992.90x = 69,615,422,859,204.57
  5. Step 5: Solve for x
    x = 69,615,422,859,204.57/13,120,992.90
  6. Step 6: Final answer
    x = 5,305,652.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.