Home / 9,462,805.50-13,058,683.20-5,111,891.72

Finding the Fourth Proportional to 9,462,805.50, 13,058,683.20 and 5,111,891.72

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Solution

The fourth proportional to 9,462,805.50, 13,058,683.20 and 5,111,891.72 is: 7,054,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,462,805.50 : 13,058,683.20 = 5,111,891.72 : x
  2. Step 2: Convert to fraction form
    9,462,805.50/13,058,683.20 = 5,111,891.72/x
  3. Step 3: Cross multiply
    9,462,805.50x = 13,058,683.20 × 5,111,891.72
  4. Step 4: Simplify right side
    9,462,805.50x = 66,754,574,524,183.09
  5. Step 5: Solve for x
    x = 66,754,574,524,183.09/9,462,805.50
  6. Step 6: Final answer
    x = 7,054,416.85

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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.