Home / 6,640,020.61-9,947,892.42-4,813,862.82

Finding the Fourth Proportional to 6,640,020.61, 9,947,892.42 and 4,813,862.82

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Solution

The fourth proportional to 6,640,020.61, 9,947,892.42 and 4,813,862.82 is: 7,211,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,020.61 : 9,947,892.42 = 4,813,862.82 : x
  2. Step 2: Convert to fraction form
    6,640,020.61/9,947,892.42 = 4,813,862.82/x
  3. Step 3: Cross multiply
    6,640,020.61x = 9,947,892.42 × 4,813,862.82
  4. Step 4: Simplify right side
    6,640,020.61x = 47,887,789,455,890.66
  5. Step 5: Solve for x
    x = 47,887,789,455,890.66/6,640,020.61
  6. Step 6: Final answer
    x = 7,211,994.10

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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.