Home / 6,535,709.78-9,018,647.65-3,781,847.89

Finding the Fourth Proportional to 6,535,709.78, 9,018,647.65 and 3,781,847.89

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Solution

The fourth proportional to 6,535,709.78, 9,018,647.65 and 3,781,847.89 is: 5,218,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535,709.78 : 9,018,647.65 = 3,781,847.89 : x
  2. Step 2: Convert to fraction form
    6,535,709.78/9,018,647.65 = 3,781,847.89/x
  3. Step 3: Cross multiply
    6,535,709.78x = 9,018,647.65 × 3,781,847.89
  4. Step 4: Simplify right side
    6,535,709.78x = 34,107,153,553,804.73
  5. Step 5: Solve for x
    x = 34,107,153,553,804.73/6,535,709.78
  6. Step 6: Final answer
    x = 5,218,584.47

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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.