Home / 20,245,947.79-27,939,331.38-10,953,488.65

Finding the Fourth Proportional to 20,245,947.79, 27,939,331.38 and 10,953,488.65

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Solution

The fourth proportional to 20,245,947.79, 27,939,331.38 and 10,953,488.65 is: 15,115,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,947.79 : 27,939,331.38 = 10,953,488.65 : x
  2. Step 2: Convert to fraction form
    20,245,947.79/27,939,331.38 = 10,953,488.65/x
  3. Step 3: Cross multiply
    20,245,947.79x = 27,939,331.38 × 10,953,488.65
  4. Step 4: Simplify right side
    20,245,947.79x = 306,033,149,159,418.81
  5. Step 5: Solve for x
    x = 306,033,149,159,418.81/20,245,947.79
  6. Step 6: Final answer
    x = 15,115,772.91

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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.