Home / 7,191,190.19-9,920,682.50-4,400,446.37

Finding the Fourth Proportional to 7,191,190.19, 9,920,682.50 and 4,400,446.37

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Solution

The fourth proportional to 7,191,190.19, 9,920,682.50 and 4,400,446.37 is: 6,070,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,190.19 : 9,920,682.50 = 4,400,446.37 : x
  2. Step 2: Convert to fraction form
    7,191,190.19/9,920,682.50 = 4,400,446.37/x
  3. Step 3: Cross multiply
    7,191,190.19x = 9,920,682.50 × 4,400,446.37
  4. Step 4: Simplify right side
    7,191,190.19x = 43,655,431,223,441.88
  5. Step 5: Solve for x
    x = 43,655,431,223,441.88/7,191,190.19
  6. Step 6: Final answer
    x = 6,070,682.33

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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.