Home / 12,950,367.06-17,871,563.64-7,149,196.46

Finding the Fourth Proportional to 12,950,367.06, 17,871,563.64 and 7,149,196.46

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Solution

The fourth proportional to 12,950,367.06, 17,871,563.64 and 7,149,196.46 is: 9,865,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,367.06 : 17,871,563.64 = 7,149,196.46 : x
  2. Step 2: Convert to fraction form
    12,950,367.06/17,871,563.64 = 7,149,196.46/x
  3. Step 3: Cross multiply
    12,950,367.06x = 17,871,563.64 × 7,149,196.46
  4. Step 4: Simplify right side
    12,950,367.06x = 127,767,319,509,752.72
  5. Step 5: Solve for x
    x = 127,767,319,509,752.72/12,950,367.06
  6. Step 6: Final answer
    x = 9,865,922.64

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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.