Home / 7,149,024.90-9,865,720.40-3,885,847.29

Finding the Fourth Proportional to 7,149,024.90, 9,865,720.40 and 3,885,847.29

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Solution

The fourth proportional to 7,149,024.90, 9,865,720.40 and 3,885,847.29 is: 5,362,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,024.90 : 9,865,720.40 = 3,885,847.29 : x
  2. Step 2: Convert to fraction form
    7,149,024.90/9,865,720.40 = 3,885,847.29/x
  3. Step 3: Cross multiply
    7,149,024.90x = 9,865,720.40 × 3,885,847.29
  4. Step 4: Simplify right side
    7,149,024.90x = 38,336,682,860,808.48
  5. Step 5: Solve for x
    x = 38,336,682,860,808.48/7,149,024.90
  6. Step 6: Final answer
    x = 5,362,505.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.