Home / 15,261,020.10-22,891,530.15-13,206,114.90

Finding the Fourth Proportional to 15,261,020.10, 22,891,530.15 and 13,206,114.90

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Solution

The fourth proportional to 15,261,020.10, 22,891,530.15 and 13,206,114.90 is: 19,809,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,020.10 : 22,891,530.15 = 13,206,114.90 : x
  2. Step 2: Convert to fraction form
    15,261,020.10/22,891,530.15 = 13,206,114.90/x
  3. Step 3: Cross multiply
    15,261,020.10x = 22,891,530.15 × 13,206,114.90
  4. Step 4: Simplify right side
    15,261,020.10x = 302,308,177,397,714.25
  5. Step 5: Solve for x
    x = 302,308,177,397,714.25/15,261,020.10
  6. Step 6: Final answer
    x = 19,809,172.35

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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.