Home / 7,328,272.80-10,992,409.20-5,415,085.20

Finding the Fourth Proportional to 7,328,272.80, 10,992,409.20 and 5,415,085.20

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Solution

The fourth proportional to 7,328,272.80, 10,992,409.20 and 5,415,085.20 is: 8,122,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,272.80 : 10,992,409.20 = 5,415,085.20 : x
  2. Step 2: Convert to fraction form
    7,328,272.80/10,992,409.20 = 5,415,085.20/x
  3. Step 3: Cross multiply
    7,328,272.80x = 10,992,409.20 × 5,415,085.20
  4. Step 4: Simplify right side
    7,328,272.80x = 59,524,832,371,263.84
  5. Step 5: Solve for x
    x = 59,524,832,371,263.84/7,328,272.80
  6. Step 6: Final answer
    x = 8,122,627.80

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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.