Home / 7,167,991.95-9,891,824.54-3,948,727.95

Finding the Fourth Proportional to 7,167,991.95, 9,891,824.54 and 3,948,727.95

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Solution

The fourth proportional to 7,167,991.95, 9,891,824.54 and 3,948,727.95 is: 5,449,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,991.95 : 9,891,824.54 = 3,948,727.95 : x
  2. Step 2: Convert to fraction form
    7,167,991.95/9,891,824.54 = 3,948,727.95/x
  3. Step 3: Cross multiply
    7,167,991.95x = 9,891,824.54 × 3,948,727.95
  4. Step 4: Simplify right side
    7,167,991.95x = 39,060,124,017,850.26
  5. Step 5: Solve for x
    x = 39,060,124,017,850.26/7,167,991.95
  6. Step 6: Final answer
    x = 5,449,242.17

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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.