Home / 10,449,782.25-15,650,808.84-4,988,718.51

Finding the Fourth Proportional to 10,449,782.25, 15,650,808.84 and 4,988,718.51

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Solution

The fourth proportional to 10,449,782.25, 15,650,808.84 and 4,988,718.51 is: 7,471,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,782.25 : 15,650,808.84 = 4,988,718.51 : x
  2. Step 2: Convert to fraction form
    10,449,782.25/15,650,808.84 = 4,988,718.51/x
  3. Step 3: Cross multiply
    10,449,782.25x = 15,650,808.84 × 4,988,718.51
  4. Step 4: Simplify right side
    10,449,782.25x = 78,077,479,756,579.62
  5. Step 5: Solve for x
    x = 78,077,479,756,579.62/10,449,782.25
  6. Step 6: Final answer
    x = 7,471,684.85

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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.