Home / 12,950,587.85-17,871,584.27-7,149,220.37

Finding the Fourth Proportional to 12,950,587.85, 17,871,584.27 and 7,149,220.37

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Solution

The fourth proportional to 12,950,587.85, 17,871,584.27 and 7,149,220.37 is: 9,865,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,587.85 : 17,871,584.27 = 7,149,220.37 : x
  2. Step 2: Convert to fraction form
    12,950,587.85/17,871,584.27 = 7,149,220.37/x
  3. Step 3: Cross multiply
    12,950,587.85x = 17,871,584.27 × 7,149,220.37
  4. Step 4: Simplify right side
    12,950,587.85x = 127,767,894,235,770.72
  5. Step 5: Solve for x
    x = 127,767,894,235,770.72/12,950,587.85
  6. Step 6: Final answer
    x = 9,865,798.82

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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.