Home / 15,806,965.44-21,805,621.20-10,580,195.84

Finding the Fourth Proportional to 15,806,965.44, 21,805,621.20 and 10,580,195.84

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Solution

The fourth proportional to 15,806,965.44, 21,805,621.20 and 10,580,195.84 is: 14,595,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806,965.44 : 21,805,621.20 = 10,580,195.84 : x
  2. Step 2: Convert to fraction form
    15,806,965.44/21,805,621.20 = 10,580,195.84/x
  3. Step 3: Cross multiply
    15,806,965.44x = 21,805,621.20 × 10,580,195.84
  4. Step 4: Simplify right side
    15,806,965.44x = 230,707,742,708,855.78
  5. Step 5: Solve for x
    x = 230,707,742,708,855.78/15,806,965.44
  6. Step 6: Final answer
    x = 14,595,321.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.