Home / 11,478,331.98-15,840,814.50-6,321,692.16

Finding the Fourth Proportional to 11,478,331.98, 15,840,814.50 and 6,321,692.16

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Solution

The fourth proportional to 11,478,331.98, 15,840,814.50 and 6,321,692.16 is: 8,724,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,331.98 : 15,840,814.50 = 6,321,692.16 : x
  2. Step 2: Convert to fraction form
    11,478,331.98/15,840,814.50 = 6,321,692.16/x
  3. Step 3: Cross multiply
    11,478,331.98x = 15,840,814.50 × 6,321,692.16
  4. Step 4: Simplify right side
    11,478,331.98x = 100,140,752,832,664.33
  5. Step 5: Solve for x
    x = 100,140,752,832,664.33/11,478,331.98
  6. Step 6: Final answer
    x = 8,724,329.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.