Home / 13,085,930.20-19,632,005.70-5,508,995.80

Finding the Fourth Proportional to 13,085,930.20, 19,632,005.70 and 5,508,995.80

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Solution

The fourth proportional to 13,085,930.20, 19,632,005.70 and 5,508,995.80 is: 8,264,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,930.20 : 19,632,005.70 = 5,508,995.80 : x
  2. Step 2: Convert to fraction form
    13,085,930.20/19,632,005.70 = 5,508,995.80/x
  3. Step 3: Cross multiply
    13,085,930.20x = 19,632,005.70 × 5,508,995.80
  4. Step 4: Simplify right side
    13,085,930.20x = 108,152,636,946,876.05
  5. Step 5: Solve for x
    x = 108,152,636,946,876.05/13,085,930.20
  6. Step 6: Final answer
    x = 8,264,803.14

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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.