Home / 8,538,947.46-12,808,411.18-2,781,671.87

Finding the Fourth Proportional to 8,538,947.46, 12,808,411.18 and 2,781,671.87

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Solution

The fourth proportional to 8,538,947.46, 12,808,411.18 and 2,781,671.87 is: 4,172,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,947.46 : 12,808,411.18 = 2,781,671.87 : x
  2. Step 2: Convert to fraction form
    8,538,947.46/12,808,411.18 = 2,781,671.87/x
  3. Step 3: Cross multiply
    8,538,947.46x = 12,808,411.18 × 2,781,671.87
  4. Step 4: Simplify right side
    8,538,947.46x = 35,628,797,103,866.36
  5. Step 5: Solve for x
    x = 35,628,797,103,866.36/8,538,947.46
  6. Step 6: Final answer
    x = 4,172,504.55

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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.