Home / 10,902,893.78-16,344,442.04-5,439,659.54

Finding the Fourth Proportional to 10,902,893.78, 16,344,442.04 and 5,439,659.54

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Solution

The fourth proportional to 10,902,893.78, 16,344,442.04 and 5,439,659.54 is: 8,154,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,893.78 : 16,344,442.04 = 5,439,659.54 : x
  2. Step 2: Convert to fraction form
    10,902,893.78/16,344,442.04 = 5,439,659.54/x
  3. Step 3: Cross multiply
    10,902,893.78x = 16,344,442.04 × 5,439,659.54
  4. Step 4: Simplify right side
    10,902,893.78x = 88,908,200,041,664.77
  5. Step 5: Solve for x
    x = 88,908,200,041,664.77/10,902,893.78
  6. Step 6: Final answer
    x = 8,154,550.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.