Home / 20,219,979.90-30,333,906.45-5,843,516.70

Finding the Fourth Proportional to 20,219,979.90, 30,333,906.45 and 5,843,516.70

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Solution

The fourth proportional to 20,219,979.90, 30,333,906.45 and 5,843,516.70 is: 8,766,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,979.90 : 30,333,906.45 = 5,843,516.70 : x
  2. Step 2: Convert to fraction form
    20,219,979.90/30,333,906.45 = 5,843,516.70/x
  3. Step 3: Cross multiply
    20,219,979.90x = 30,333,906.45 × 5,843,516.70
  4. Step 4: Simplify right side
    20,219,979.90x = 177,256,688,916,812.72
  5. Step 5: Solve for x
    x = 177,256,688,916,812.72/20,219,979.90
  6. Step 6: Final answer
    x = 8,766,412.72

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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.