Home / 13,051,247.94-18,010,111.05-7,250,383.53

Finding the Fourth Proportional to 13,051,247.94, 18,010,111.05 and 7,250,383.53

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Solution

The fourth proportional to 13,051,247.94, 18,010,111.05 and 7,250,383.53 is: 10,005,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,247.94 : 18,010,111.05 = 7,250,383.53 : x
  2. Step 2: Convert to fraction form
    13,051,247.94/18,010,111.05 = 7,250,383.53/x
  3. Step 3: Cross multiply
    13,051,247.94x = 18,010,111.05 × 7,250,383.53
  4. Step 4: Simplify right side
    13,051,247.94x = 130,580,212,530,391.02
  5. Step 5: Solve for x
    x = 130,580,212,530,391.02/13,051,247.94
  6. Step 6: Final answer
    x = 10,005,189.78

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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.