Home / 8,447,840.28-12,651,092.88-7,629,027.81

Finding the Fourth Proportional to 8,447,840.28, 12,651,092.88 and 7,629,027.81

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Solution

The fourth proportional to 8,447,840.28, 12,651,092.88 and 7,629,027.81 is: 11,424,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,840.28 : 12,651,092.88 = 7,629,027.81 : x
  2. Step 2: Convert to fraction form
    8,447,840.28/12,651,092.88 = 7,629,027.81/x
  3. Step 3: Cross multiply
    8,447,840.28x = 12,651,092.88 × 7,629,027.81
  4. Step 4: Simplify right side
    8,447,840.28x = 96,515,539,408,413
  5. Step 5: Solve for x
    x = 96,515,539,408,413/8,447,840.28
  6. Step 6: Final answer
    x = 11,424,877.39

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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.