Home / 6,650,931.87-9,180,767.21-5,177,921.76

Finding the Fourth Proportional to 6,650,931.87, 9,180,767.21 and 5,177,921.76

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Solution

The fourth proportional to 6,650,931.87, 9,180,767.21 and 5,177,921.76 is: 7,147,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,931.87 : 9,180,767.21 = 5,177,921.76 : x
  2. Step 2: Convert to fraction form
    6,650,931.87/9,180,767.21 = 5,177,921.76/x
  3. Step 3: Cross multiply
    6,650,931.87x = 9,180,767.21 × 5,177,921.76
  4. Step 4: Simplify right side
    6,650,931.87x = 47,537,294,284,263.88
  5. Step 5: Solve for x
    x = 47,537,294,284,263.88/6,650,931.87
  6. Step 6: Final answer
    x = 7,147,463.73

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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.