Home / 7,407,213.91-10,222,352.29-4,143,834.01

Finding the Fourth Proportional to 7,407,213.91, 10,222,352.29 and 4,143,834.01

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Solution

The fourth proportional to 7,407,213.91, 10,222,352.29 and 4,143,834.01 is: 5,718,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,213.91 : 10,222,352.29 = 4,143,834.01 : x
  2. Step 2: Convert to fraction form
    7,407,213.91/10,222,352.29 = 4,143,834.01/x
  3. Step 3: Cross multiply
    7,407,213.91x = 10,222,352.29 × 4,143,834.01
  4. Step 4: Simplify right side
    7,407,213.91x = 42,359,731,081,503.38
  5. Step 5: Solve for x
    x = 42,359,731,081,503.38/7,407,213.91
  6. Step 6: Final answer
    x = 5,718,713.08

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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.