Home / 10,754,965.80-16,132,448.70-9,904,660.20

Finding the Fourth Proportional to 10,754,965.80, 16,132,448.70 and 9,904,660.20

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Solution

The fourth proportional to 10,754,965.80, 16,132,448.70 and 9,904,660.20 is: 14,856,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,965.80 : 16,132,448.70 = 9,904,660.20 : x
  2. Step 2: Convert to fraction form
    10,754,965.80/16,132,448.70 = 9,904,660.20/x
  3. Step 3: Cross multiply
    10,754,965.80x = 16,132,448.70 × 9,904,660.20
  4. Step 4: Simplify right side
    10,754,965.80x = 159,786,422,567,431.72
  5. Step 5: Solve for x
    x = 159,786,422,567,431.72/10,754,965.80
  6. Step 6: Final answer
    x = 14,856,990.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.