Home / 7,407,212.90-10,222,350.91-4,143,833.01

Finding the Fourth Proportional to 7,407,212.90, 10,222,350.91 and 4,143,833.01

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Solution

The fourth proportional to 7,407,212.90, 10,222,350.91 and 4,143,833.01 is: 5,718,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,212.90 : 10,222,350.91 = 4,143,833.01 : x
  2. Step 2: Convert to fraction form
    7,407,212.90/10,222,350.91 = 4,143,833.01/x
  3. Step 3: Cross multiply
    7,407,212.90x = 10,222,350.91 × 4,143,833.01
  4. Step 4: Simplify right side
    7,407,212.90x = 42,359,715,130,301.96
  5. Step 5: Solve for x
    x = 42,359,715,130,301.96/7,407,212.90
  6. Step 6: Final answer
    x = 5,718,711.71

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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.