Home / 7,262,222.72-10,021,105.43-4,121,486.22

Finding the Fourth Proportional to 7,262,222.72, 10,021,105.43 and 4,121,486.22

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Solution

The fourth proportional to 7,262,222.72, 10,021,105.43 and 4,121,486.22 is: 5,687,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,222.72 : 10,021,105.43 = 4,121,486.22 : x
  2. Step 2: Convert to fraction form
    7,262,222.72/10,021,105.43 = 4,121,486.22/x
  3. Step 3: Cross multiply
    7,262,222.72x = 10,021,105.43 × 4,121,486.22
  4. Step 4: Simplify right side
    7,262,222.72x = 41,301,847,938,912.17
  5. Step 5: Solve for x
    x = 41,301,847,938,912.17/7,262,222.72
  6. Step 6: Final answer
    x = 5,687,218.57

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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.