Home / 8,603,858.40-12,912,008.40-4,813,317.60

Finding the Fourth Proportional to 8,603,858.40, 12,912,008.40 and 4,813,317.60

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Solution

The fourth proportional to 8,603,858.40, 12,912,008.40 and 4,813,317.60 is: 7,223,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,858.40 : 12,912,008.40 = 4,813,317.60 : x
  2. Step 2: Convert to fraction form
    8,603,858.40/12,912,008.40 = 4,813,317.60/x
  3. Step 3: Cross multiply
    8,603,858.40x = 12,912,008.40 × 4,813,317.60
  4. Step 4: Simplify right side
    8,603,858.40x = 62,149,597,283,067.84
  5. Step 5: Solve for x
    x = 62,149,597,283,067.84/8,603,858.40
  6. Step 6: Final answer
    x = 7,223,456.55

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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.