Home / 12,225,916.94-16,872,144.88-6,719,191.60

Finding the Fourth Proportional to 12,225,916.94, 16,872,144.88 and 6,719,191.60

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Solution

The fourth proportional to 12,225,916.94, 16,872,144.88 and 6,719,191.60 is: 9,272,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,916.94 : 16,872,144.88 = 6,719,191.60 : x
  2. Step 2: Convert to fraction form
    12,225,916.94/16,872,144.88 = 6,719,191.60/x
  3. Step 3: Cross multiply
    12,225,916.94x = 16,872,144.88 × 6,719,191.60
  4. Step 4: Simplify right side
    12,225,916.94x = 113,367,174,151,679
  5. Step 5: Solve for x
    x = 113,367,174,151,679/12,225,916.94
  6. Step 6: Final answer
    x = 9,272,692.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.