Home / 12,988,847.26-17,924,340.99-7,187,625.10

Finding the Fourth Proportional to 12,988,847.26, 17,924,340.99 and 7,187,625.10

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Solution

The fourth proportional to 12,988,847.26, 17,924,340.99 and 7,187,625.10 is: 9,918,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,847.26 : 17,924,340.99 = 7,187,625.10 : x
  2. Step 2: Convert to fraction form
    12,988,847.26/17,924,340.99 = 7,187,625.10/x
  3. Step 3: Cross multiply
    12,988,847.26x = 17,924,340.99 × 7,187,625.10
  4. Step 4: Simplify right side
    12,988,847.26x = 128,833,443,200,682.83
  5. Step 5: Solve for x
    x = 128,833,443,200,682.83/12,988,847.26
  6. Step 6: Final answer
    x = 9,918,774.21

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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.