Home / 8,612,704.05-11,885,745.63-5,303,745.71

Finding the Fourth Proportional to 8,612,704.05, 11,885,745.63 and 5,303,745.71

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Solution

The fourth proportional to 8,612,704.05, 11,885,745.63 and 5,303,745.71 is: 7,319,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,704.05 : 11,885,745.63 = 5,303,745.71 : x
  2. Step 2: Convert to fraction form
    8,612,704.05/11,885,745.63 = 5,303,745.71/x
  3. Step 3: Cross multiply
    8,612,704.05x = 11,885,745.63 × 5,303,745.71
  4. Step 4: Simplify right side
    8,612,704.05x = 63,038,972,400,295.61
  5. Step 5: Solve for x
    x = 63,038,972,400,295.61/8,612,704.05
  6. Step 6: Final answer
    x = 7,319,300.89

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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.