Home / 7,820,212.56-11,715,047.65-3,715,692.57

Finding the Fourth Proportional to 7,820,212.56, 11,715,047.65 and 3,715,692.57

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Solution

The fourth proportional to 7,820,212.56, 11,715,047.65 and 3,715,692.57 is: 5,566,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,212.56 : 11,715,047.65 = 3,715,692.57 : x
  2. Step 2: Convert to fraction form
    7,820,212.56/11,715,047.65 = 3,715,692.57/x
  3. Step 3: Cross multiply
    7,820,212.56x = 11,715,047.65 × 3,715,692.57
  4. Step 4: Simplify right side
    7,820,212.56x = 43,529,515,514,945.57
  5. Step 5: Solve for x
    x = 43,529,515,514,945.57/7,820,212.56
  6. Step 6: Final answer
    x = 5,566,282.91

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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.