Home / 6,908,029.20-10,362,821.40-2,115,680.40

Finding the Fourth Proportional to 6,908,029.20, 10,362,821.40 and 2,115,680.40

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Solution

The fourth proportional to 6,908,029.20, 10,362,821.40 and 2,115,680.40 is: 3,173,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,029.20 : 10,362,821.40 = 2,115,680.40 : x
  2. Step 2: Convert to fraction form
    6,908,029.20/10,362,821.40 = 2,115,680.40/x
  3. Step 3: Cross multiply
    6,908,029.20x = 10,362,821.40 × 2,115,680.40
  4. Step 4: Simplify right side
    6,908,029.20x = 21,924,418,124,680.56
  5. Step 5: Solve for x
    x = 21,924,418,124,680.56/6,908,029.20
  6. Step 6: Final answer
    x = 3,173,758.75

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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.