Home / 20,756,029.95-31,134,043.31-10,519,295.31

Finding the Fourth Proportional to 20,756,029.95, 31,134,043.31 and 10,519,295.31

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Solution

The fourth proportional to 20,756,029.95, 31,134,043.31 and 10,519,295.31 is: 15,778,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756,029.95 : 31,134,043.31 = 10,519,295.31 : x
  2. Step 2: Convert to fraction form
    20,756,029.95/31,134,043.31 = 10,519,295.31/x
  3. Step 3: Cross multiply
    20,756,029.95x = 31,134,043.31 × 10,519,295.31
  4. Step 4: Simplify right side
    20,756,029.95x = 327,508,195,719,623.44
  5. Step 5: Solve for x
    x = 327,508,195,719,623.44/20,756,029.95
  6. Step 6: Final answer
    x = 15,778,942.14

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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.