Home / 7,141,213.67-9,854,876.79-3,878,027.53

Finding the Fourth Proportional to 7,141,213.67, 9,854,876.79 and 3,878,027.53

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Solution

The fourth proportional to 7,141,213.67, 9,854,876.79 and 3,878,027.53 is: 5,351,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,213.67 : 9,854,876.79 = 3,878,027.53 : x
  2. Step 2: Convert to fraction form
    7,141,213.67/9,854,876.79 = 3,878,027.53/x
  3. Step 3: Cross multiply
    7,141,213.67x = 9,854,876.79 × 3,878,027.53
  4. Step 4: Simplify right side
    7,141,213.67x = 38,217,483,471,740.83
  5. Step 5: Solve for x
    x = 38,217,483,471,740.83/7,141,213.67
  6. Step 6: Final answer
    x = 5,351,679.04

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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.