Home / 9,192,315.78-12,684,910.01-5,271,869.29

Finding the Fourth Proportional to 9,192,315.78, 12,684,910.01 and 5,271,869.29

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Solution

The fourth proportional to 9,192,315.78, 12,684,910.01 and 5,271,869.29 is: 7,274,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192,315.78 : 12,684,910.01 = 5,271,869.29 : x
  2. Step 2: Convert to fraction form
    9,192,315.78/12,684,910.01 = 5,271,869.29/x
  3. Step 3: Cross multiply
    9,192,315.78x = 12,684,910.01 × 5,271,869.29
  4. Step 4: Simplify right side
    9,192,315.78x = 66,873,187,528,132.59
  5. Step 5: Solve for x
    x = 66,873,187,528,132.59/9,192,315.78
  6. Step 6: Final answer
    x = 7,274,901.03

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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.