Home / 8,078,444.80-12,111,640.80-4,882,897.60

Finding the Fourth Proportional to 8,078,444.80, 12,111,640.80 and 4,882,897.60

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Solution

The fourth proportional to 8,078,444.80, 12,111,640.80 and 4,882,897.60 is: 7,320,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,444.80 : 12,111,640.80 = 4,882,897.60 : x
  2. Step 2: Convert to fraction form
    8,078,444.80/12,111,640.80 = 4,882,897.60/x
  3. Step 3: Cross multiply
    8,078,444.80x = 12,111,640.80 × 4,882,897.60
  4. Step 4: Simplify right side
    8,078,444.80x = 59,139,901,794,382.08
  5. Step 5: Solve for x
    x = 59,139,901,794,382.08/8,078,444.80
  6. Step 6: Final answer
    x = 7,320,703.83

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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.