Home / 12,950,482.10-17,871,722.34-7,149,311.42

Finding the Fourth Proportional to 12,950,482.10, 17,871,722.34 and 7,149,311.42

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Solution

The fourth proportional to 12,950,482.10, 17,871,722.34 and 7,149,311.42 is: 9,866,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,482.10 : 17,871,722.34 = 7,149,311.42 : x
  2. Step 2: Convert to fraction form
    12,950,482.10/17,871,722.34 = 7,149,311.42/x
  3. Step 3: Cross multiply
    12,950,482.10x = 17,871,722.34 × 7,149,311.42
  4. Step 4: Simplify right side
    12,950,482.10x = 127,770,508,620,431.12
  5. Step 5: Solve for x
    x = 127,770,508,620,431.12/12,950,482.10
  6. Step 6: Final answer
    x = 9,866,081.25

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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.