Home / 7,243,371.88-9,995,268.10-4,187,782.96

Finding the Fourth Proportional to 7,243,371.88, 9,995,268.10 and 4,187,782.96

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Solution

The fourth proportional to 7,243,371.88, 9,995,268.10 and 4,187,782.96 is: 5,778,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,371.88 : 9,995,268.10 = 4,187,782.96 : x
  2. Step 2: Convert to fraction form
    7,243,371.88/9,995,268.10 = 4,187,782.96/x
  3. Step 3: Cross multiply
    7,243,371.88x = 9,995,268.10 × 4,187,782.96
  4. Step 4: Simplify right side
    7,243,371.88x = 41,858,013,429,811.57
  5. Step 5: Solve for x
    x = 41,858,013,429,811.57/7,243,371.88
  6. Step 6: Final answer
    x = 5,778,802.21

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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.