Home / 8,903,640.20-13,354,682.70-2,920,008.20

Finding the Fourth Proportional to 8,903,640.20, 13,354,682.70 and 2,920,008.20

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Solution

The fourth proportional to 8,903,640.20, 13,354,682.70 and 2,920,008.20 is: 4,379,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903,640.20 : 13,354,682.70 = 2,920,008.20 : x
  2. Step 2: Convert to fraction form
    8,903,640.20/13,354,682.70 = 2,920,008.20/x
  3. Step 3: Cross multiply
    8,903,640.20x = 13,354,682.70 × 2,920,008.20
  4. Step 4: Simplify right side
    8,903,640.20x = 38,995,782,992,398.14
  5. Step 5: Solve for x
    x = 38,995,782,992,398.14/8,903,640.20
  6. Step 6: Final answer
    x = 4,379,757.28

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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.