Home / 9,482,187.12-13,085,418.22-5,131,273.42

Finding the Fourth Proportional to 9,482,187.12, 13,085,418.22 and 5,131,273.42

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Solution

The fourth proportional to 9,482,187.12, 13,085,418.22 and 5,131,273.42 is: 7,081,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482,187.12 : 13,085,418.22 = 5,131,273.42 : x
  2. Step 2: Convert to fraction form
    9,482,187.12/13,085,418.22 = 5,131,273.42/x
  3. Step 3: Cross multiply
    9,482,187.12x = 13,085,418.22 × 5,131,273.42
  4. Step 4: Simplify right side
    9,482,187.12x = 67,144,858,734,261.71
  5. Step 5: Solve for x
    x = 67,144,858,734,261.71/9,482,187.12
  6. Step 6: Final answer
    x = 7,081,157.32

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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.