Home / 8,586,661.80-12,879,901.92-2,196,863.40

Finding the Fourth Proportional to 8,586,661.80, 12,879,901.92 and 2,196,863.40

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Solution

The fourth proportional to 8,586,661.80, 12,879,901.92 and 2,196,863.40 is: 3,295,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,661.80 : 12,879,901.92 = 2,196,863.40 : x
  2. Step 2: Convert to fraction form
    8,586,661.80/12,879,901.92 = 2,196,863.40/x
  3. Step 3: Cross multiply
    8,586,661.80x = 12,879,901.92 × 2,196,863.40
  4. Step 4: Simplify right side
    8,586,661.80x = 28,295,385,123,637.73
  5. Step 5: Solve for x
    x = 28,295,385,123,637.73/8,586,661.80
  6. Step 6: Final answer
    x = 3,295,271.87

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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.