Home / 8,456,437.80-12,686,039.10-2,775,119.40

Finding the Fourth Proportional to 8,456,437.80, 12,686,039.10 and 2,775,119.40

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Solution

The fourth proportional to 8,456,437.80, 12,686,039.10 and 2,775,119.40 is: 4,163,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,437.80 : 12,686,039.10 = 2,775,119.40 : x
  2. Step 2: Convert to fraction form
    8,456,437.80/12,686,039.10 = 2,775,119.40/x
  3. Step 3: Cross multiply
    8,456,437.80x = 12,686,039.10 × 2,775,119.40
  4. Step 4: Simplify right side
    8,456,437.80x = 35,205,273,215,568.54
  5. Step 5: Solve for x
    x = 35,205,273,215,568.54/8,456,437.80
  6. Step 6: Final answer
    x = 4,163,132.76

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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.