Home / 7,262,221.72-10,021,104.05-4,121,485.22

Finding the Fourth Proportional to 7,262,221.72, 10,021,104.05 and 4,121,485.22

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Solution

The fourth proportional to 7,262,221.72, 10,021,104.05 and 4,121,485.22 is: 5,687,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,221.72 : 10,021,104.05 = 4,121,485.22 : x
  2. Step 2: Convert to fraction form
    7,262,221.72/10,021,104.05 = 4,121,485.22/x
  3. Step 3: Cross multiply
    7,262,221.72x = 10,021,104.05 × 4,121,485.22
  4. Step 4: Simplify right side
    7,262,221.72x = 41,301,832,230,157.15
  5. Step 5: Solve for x
    x = 41,301,832,230,157.15/7,262,221.72
  6. Step 6: Final answer
    x = 5,687,217.19

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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.