Home / 15,261,008.60-22,891,512.90-13,206,103.40

Finding the Fourth Proportional to 15,261,008.60, 22,891,512.90 and 13,206,103.40

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Solution

The fourth proportional to 15,261,008.60, 22,891,512.90 and 13,206,103.40 is: 19,809,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,008.60 : 22,891,512.90 = 13,206,103.40 : x
  2. Step 2: Convert to fraction form
    15,261,008.60/22,891,512.90 = 13,206,103.40/x
  3. Step 3: Cross multiply
    15,261,008.60x = 22,891,512.90 × 13,206,103.40
  4. Step 4: Simplify right side
    15,261,008.60x = 302,307,686,339,833.88
  5. Step 5: Solve for x
    x = 302,307,686,339,833.88/15,261,008.60
  6. Step 6: Final answer
    x = 19,809,155.10

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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.