Home / 7,407,229.12-10,222,373.28-4,143,849.22

Finding the Fourth Proportional to 7,407,229.12, 10,222,373.28 and 4,143,849.22

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Solution

The fourth proportional to 7,407,229.12, 10,222,373.28 and 4,143,849.22 is: 5,718,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,229.12 : 10,222,373.28 = 4,143,849.22 : x
  2. Step 2: Convert to fraction form
    7,407,229.12/10,222,373.28 = 4,143,849.22/x
  3. Step 3: Cross multiply
    7,407,229.12x = 10,222,373.28 × 4,143,849.22
  4. Step 4: Simplify right side
    7,407,229.12x = 42,359,973,542,876.84
  5. Step 5: Solve for x
    x = 42,359,973,542,876.84/7,407,229.12
  6. Step 6: Final answer
    x = 5,718,734.07

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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.