Home / 8,584,970.40-12,877,455.60-2,195,722.80

Finding the Fourth Proportional to 8,584,970.40, 12,877,455.60 and 2,195,722.80

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Solution

The fourth proportional to 8,584,970.40, 12,877,455.60 and 2,195,722.80 is: 3,293,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584,970.40 : 12,877,455.60 = 2,195,722.80 : x
  2. Step 2: Convert to fraction form
    8,584,970.40/12,877,455.60 = 2,195,722.80/x
  3. Step 3: Cross multiply
    8,584,970.40x = 12,877,455.60 × 2,195,722.80
  4. Step 4: Simplify right side
    8,584,970.40x = 28,275,322,866,907.68
  5. Step 5: Solve for x
    x = 28,275,322,866,907.68/8,584,970.40
  6. Step 6: Final answer
    x = 3,293,584.20

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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.