Home / 12,907,213.62-17,811,278.63-7,104,862.05

Finding the Fourth Proportional to 12,907,213.62, 17,811,278.63 and 7,104,862.05

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Solution

The fourth proportional to 12,907,213.62, 17,811,278.63 and 7,104,862.05 is: 9,804,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,213.62 : 17,811,278.63 = 7,104,862.05 : x
  2. Step 2: Convert to fraction form
    12,907,213.62/17,811,278.63 = 7,104,862.05/x
  3. Step 3: Cross multiply
    12,907,213.62x = 17,811,278.63 × 7,104,862.05
  4. Step 4: Simplify right side
    12,907,213.62x = 126,546,677,524,589.61
  5. Step 5: Solve for x
    x = 126,546,677,524,589.61/12,907,213.62
  6. Step 6: Final answer
    x = 9,804,337.43

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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.