Home / 9,128,072.48-13,672,423.84-8,591,486.72

Finding the Fourth Proportional to 9,128,072.48, 13,672,423.84 and 8,591,486.72

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Solution

The fourth proportional to 9,128,072.48, 13,672,423.84 and 8,591,486.72 is: 12,868,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,072.48 : 13,672,423.84 = 8,591,486.72 : x
  2. Step 2: Convert to fraction form
    9,128,072.48/13,672,423.84 = 8,591,486.72/x
  3. Step 3: Cross multiply
    9,128,072.48x = 13,672,423.84 × 8,591,486.72
  4. Step 4: Simplify right side
    9,128,072.48x = 117,466,447,851,571.41
  5. Step 5: Solve for x
    x = 117,466,447,851,571.41/9,128,072.48
  6. Step 6: Final answer
    x = 12,868,702.36

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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.