Home / 19,995,993.70-29,995,109.76-5,617,939.25

Finding the Fourth Proportional to 19,995,993.70, 29,995,109.76 and 5,617,939.25

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Solution

The fourth proportional to 19,995,993.70, 29,995,109.76 and 5,617,939.25 is: 8,427,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995,993.70 : 29,995,109.76 = 5,617,939.25 : x
  2. Step 2: Convert to fraction form
    19,995,993.70/29,995,109.76 = 5,617,939.25/x
  3. Step 3: Cross multiply
    19,995,993.70x = 29,995,109.76 × 5,617,939.25
  4. Step 4: Simplify right side
    19,995,993.70x = 168,510,704,428,762.09
  5. Step 5: Solve for x
    x = 168,510,704,428,762.09/19,995,993.70
  6. Step 6: Final answer
    x = 8,427,223.32

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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.