Home / 7,372,157.12-10,173,624.03-4,109,178.74

Finding the Fourth Proportional to 7,372,157.12, 10,173,624.03 and 4,109,178.74

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Solution

The fourth proportional to 7,372,157.12, 10,173,624.03 and 4,109,178.74 is: 5,670,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,157.12 : 10,173,624.03 = 4,109,178.74 : x
  2. Step 2: Convert to fraction form
    7,372,157.12/10,173,624.03 = 4,109,178.74/x
  3. Step 3: Cross multiply
    7,372,157.12x = 10,173,624.03 × 4,109,178.74
  4. Step 4: Simplify right side
    7,372,157.12x = 41,805,239,521,961
  5. Step 5: Solve for x
    x = 41,805,239,521,961/7,372,157.12
  6. Step 6: Final answer
    x = 5,670,692.97

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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.