Home / 9,192,316.28-12,684,910.70-5,271,869.79

Finding the Fourth Proportional to 9,192,316.28, 12,684,910.70 and 5,271,869.79

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Solution

The fourth proportional to 9,192,316.28, 12,684,910.70 and 5,271,869.79 is: 7,274,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192,316.28 : 12,684,910.70 = 5,271,869.79 : x
  2. Step 2: Convert to fraction form
    9,192,316.28/12,684,910.70 = 5,271,869.79/x
  3. Step 3: Cross multiply
    9,192,316.28x = 12,684,910.70 × 5,271,869.79
  4. Step 4: Simplify right side
    9,192,316.28x = 66,873,197,481,818.41
  5. Step 5: Solve for x
    x = 66,873,197,481,818.41/9,192,316.28
  6. Step 6: Final answer
    x = 7,274,901.72

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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.