Home / 7,149,021.90-9,865,716.26-3,885,844.29

Finding the Fourth Proportional to 7,149,021.90, 9,865,716.26 and 3,885,844.29

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Solution

The fourth proportional to 7,149,021.90, 9,865,716.26 and 3,885,844.29 is: 5,362,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,021.90 : 9,865,716.26 = 3,885,844.29 : x
  2. Step 2: Convert to fraction form
    7,149,021.90/9,865,716.26 = 3,885,844.29/x
  3. Step 3: Cross multiply
    7,149,021.90x = 9,865,716.26 × 3,885,844.29
  4. Step 4: Simplify right side
    7,149,021.90x = 38,336,637,176,251.94
  5. Step 5: Solve for x
    x = 38,336,637,176,251.94/7,149,021.90
  6. Step 6: Final answer
    x = 5,362,501.01

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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.