Home / 8,289,149.76-11,434,648.32-5,706,346.56

Finding the Fourth Proportional to 8,289,149.76, 11,434,648.32 and 5,706,346.56

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Solution

The fourth proportional to 8,289,149.76, 11,434,648.32 and 5,706,346.56 is: 7,871,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,149.76 : 11,434,648.32 = 5,706,346.56 : x
  2. Step 2: Convert to fraction form
    8,289,149.76/11,434,648.32 = 5,706,346.56/x
  3. Step 3: Cross multiply
    8,289,149.76x = 11,434,648.32 × 5,706,346.56
  4. Step 4: Simplify right side
    8,289,149.76x = 65,250,066,105,641.77
  5. Step 5: Solve for x
    x = 65,250,066,105,641.77/8,289,149.76
  6. Step 6: Final answer
    x = 7,871,744.15

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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.