Home / 10,444,474.80-15,666,712.20-8,176,993.20

Finding the Fourth Proportional to 10,444,474.80, 15,666,712.20 and 8,176,993.20

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Solution

The fourth proportional to 10,444,474.80, 15,666,712.20 and 8,176,993.20 is: 12,265,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444,474.80 : 15,666,712.20 = 8,176,993.20 : x
  2. Step 2: Convert to fraction form
    10,444,474.80/15,666,712.20 = 8,176,993.20/x
  3. Step 3: Cross multiply
    10,444,474.80x = 15,666,712.20 × 8,176,993.20
  4. Step 4: Simplify right side
    10,444,474.80x = 128,106,599,125,757.03
  5. Step 5: Solve for x
    x = 128,106,599,125,757.03/10,444,474.80
  6. Step 6: Final answer
    x = 12,265,489.80

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1.5x scale

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.