Home / 7,135,363.07-9,846,807.32-3,872,177.73

Finding the Fourth Proportional to 7,135,363.07, 9,846,807.32 and 3,872,177.73

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Solution

The fourth proportional to 7,135,363.07, 9,846,807.32 and 3,872,177.73 is: 5,343,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,363.07 : 9,846,807.32 = 3,872,177.73 : x
  2. Step 2: Convert to fraction form
    7,135,363.07/9,846,807.32 = 3,872,177.73/x
  3. Step 3: Cross multiply
    7,135,363.07x = 9,846,807.32 × 3,872,177.73
  4. Step 4: Simplify right side
    7,135,363.07x = 38,128,587,972,127.08
  5. Step 5: Solve for x
    x = 38,128,587,972,127.08/7,135,363.07
  6. Step 6: Final answer
    x = 5,343,608.67

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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.