Home / 5,328,130.40-7,992,195.60-3,636,072.80

Finding the Fourth Proportional to 5,328,130.40, 7,992,195.60 and 3,636,072.80

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Solution

The fourth proportional to 5,328,130.40, 7,992,195.60 and 3,636,072.80 is: 5,454,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,130.40 : 7,992,195.60 = 3,636,072.80 : x
  2. Step 2: Convert to fraction form
    5,328,130.40/7,992,195.60 = 3,636,072.80/x
  3. Step 3: Cross multiply
    5,328,130.40x = 7,992,195.60 × 3,636,072.80
  4. Step 4: Simplify right side
    5,328,130.40x = 29,060,205,033,439.68
  5. Step 5: Solve for x
    x = 29,060,205,033,439.68/5,328,130.40
  6. Step 6: Final answer
    x = 5,454,109.20

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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.