Home / 8,665,089.76-11,957,949.88-4,991,979.52

Finding the Fourth Proportional to 8,665,089.76, 11,957,949.88 and 4,991,979.52

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Solution

The fourth proportional to 8,665,089.76, 11,957,949.88 and 4,991,979.52 is: 6,889,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,089.76 : 11,957,949.88 = 4,991,979.52 : x
  2. Step 2: Convert to fraction form
    8,665,089.76/11,957,949.88 = 4,991,979.52/x
  3. Step 3: Cross multiply
    8,665,089.76x = 11,957,949.88 × 4,991,979.52
  4. Step 4: Simplify right side
    8,665,089.76x = 59,693,840,902,146.45
  5. Step 5: Solve for x
    x = 59,693,840,902,146.45/8,665,089.76
  6. Step 6: Final answer
    x = 6,889,004.33

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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.