Home / 20,553,349.03-30,836,906.42-6,720,945.67

Finding the Fourth Proportional to 20,553,349.03, 30,836,906.42 and 6,720,945.67

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Solution

The fourth proportional to 20,553,349.03, 30,836,906.42 and 6,720,945.67 is: 10,083,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,349.03 : 30,836,906.42 = 6,720,945.67 : x
  2. Step 2: Convert to fraction form
    20,553,349.03/30,836,906.42 = 6,720,945.67/x
  3. Step 3: Cross multiply
    20,553,349.03x = 30,836,906.42 × 6,720,945.67
  4. Step 4: Simplify right side
    20,553,349.03x = 207,253,172,679,694.22
  5. Step 5: Solve for x
    x = 207,253,172,679,694.22/20,553,349.03
  6. Step 6: Final answer
    x = 10,083,669.21

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1.5x scale

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.