Home / 20,734,139.70-31,078,399.95-7,264,034.10

Finding the Fourth Proportional to 20,734,139.70, 31,078,399.95 and 7,264,034.10

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Solution

The fourth proportional to 20,734,139.70, 31,078,399.95 and 7,264,034.10 is: 10,888,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,139.70 : 31,078,399.95 = 7,264,034.10 : x
  2. Step 2: Convert to fraction form
    20,734,139.70/31,078,399.95 = 7,264,034.10/x
  3. Step 3: Cross multiply
    20,734,139.70x = 31,078,399.95 × 7,264,034.10
  4. Step 4: Simplify right side
    20,734,139.70x = 225,754,557,010,238.28
  5. Step 5: Solve for x
    x = 225,754,557,010,238.28/20,734,139.70
  6. Step 6: Final answer
    x = 10,888,060.00

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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.