Home / 9,112,489.20-13,668,895.80-2,722,820.40

Finding the Fourth Proportional to 9,112,489.20, 13,668,895.80 and 2,722,820.40

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Solution

The fourth proportional to 9,112,489.20, 13,668,895.80 and 2,722,820.40 is: 4,084,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112,489.20 : 13,668,895.80 = 2,722,820.40 : x
  2. Step 2: Convert to fraction form
    9,112,489.20/13,668,895.80 = 2,722,820.40/x
  3. Step 3: Cross multiply
    9,112,489.20x = 13,668,895.80 × 2,722,820.40
  4. Step 4: Simplify right side
    9,112,489.20x = 37,217,948,329,714.32
  5. Step 5: Solve for x
    x = 37,217,948,329,714.32/9,112,489.20
  6. Step 6: Final answer
    x = 4,084,279.01

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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.