Home / 8,129,146.23-11,218,469.22-4,458,215.70

Finding the Fourth Proportional to 8,129,146.23, 11,218,469.22 and 4,458,215.70

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Solution

The fourth proportional to 8,129,146.23, 11,218,469.22 and 4,458,215.70 is: 6,152,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,146.23 : 11,218,469.22 = 4,458,215.70 : x
  2. Step 2: Convert to fraction form
    8,129,146.23/11,218,469.22 = 4,458,215.70/x
  3. Step 3: Cross multiply
    8,129,146.23x = 11,218,469.22 × 4,458,215.70
  4. Step 4: Simplify right side
    8,129,146.23x = 50,014,355,606,570.76
  5. Step 5: Solve for x
    x = 50,014,355,606,570.76/8,129,146.23
  6. Step 6: Final answer
    x = 6,152,473.36

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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.