Home / 8,491,622.81-11,718,322.83-4,820,507.33

Finding the Fourth Proportional to 8,491,622.81, 11,718,322.83 and 4,820,507.33

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Solution

The fourth proportional to 8,491,622.81, 11,718,322.83 and 4,820,507.33 is: 6,652,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,622.81 : 11,718,322.83 = 4,820,507.33 : x
  2. Step 2: Convert to fraction form
    8,491,622.81/11,718,322.83 = 4,820,507.33/x
  3. Step 3: Cross multiply
    8,491,622.81x = 11,718,322.83 × 4,820,507.33
  4. Step 4: Simplify right side
    8,491,622.81x = 56,488,261,038,729.73
  5. Step 5: Solve for x
    x = 56,488,261,038,729.73/8,491,622.81
  6. Step 6: Final answer
    x = 6,652,233.89

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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.