Home / 12,887,567.88-17,768,334-10,555,870.56

Finding the Fourth Proportional to 12,887,567.88, 17,768,334 and 10,555,870.56

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Solution

The fourth proportional to 12,887,567.88, 17,768,334 and 10,555,870.56 is: 14,553,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,567.88 : 17,768,334 = 10,555,870.56 : x
  2. Step 2: Convert to fraction form
    12,887,567.88/17,768,334 = 10,555,870.56/x
  3. Step 3: Cross multiply
    12,887,567.88x = 17,768,334 × 10,555,870.56
  4. Step 4: Simplify right side
    12,887,567.88x = 187,560,233,770,847.06
  5. Step 5: Solve for x
    x = 187,560,233,770,847.06/12,887,567.88
  6. Step 6: Final answer
    x = 14,553,578.73

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1.5x scale

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.