Home / 8,333,684.82-12,501,015.40-3,216,141.54

Finding the Fourth Proportional to 8,333,684.82, 12,501,015.40 and 3,216,141.54

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Solution

The fourth proportional to 8,333,684.82, 12,501,015.40 and 3,216,141.54 is: 4,824,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,684.82 : 12,501,015.40 = 3,216,141.54 : x
  2. Step 2: Convert to fraction form
    8,333,684.82/12,501,015.40 = 3,216,141.54/x
  3. Step 3: Cross multiply
    8,333,684.82x = 12,501,015.40 × 3,216,141.54
  4. Step 4: Simplify right side
    8,333,684.82x = 40,205,034,920,119.72
  5. Step 5: Solve for x
    x = 40,205,034,920,119.72/8,333,684.82
  6. Step 6: Final answer
    x = 4,824,400.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.