Home / 12,179,609.28-18,269,710.38-4,092,702.12

Finding the Fourth Proportional to 12,179,609.28, 18,269,710.38 and 4,092,702.12

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Solution

The fourth proportional to 12,179,609.28, 18,269,710.38 and 4,092,702.12 is: 6,139,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,609.28 : 18,269,710.38 = 4,092,702.12 : x
  2. Step 2: Convert to fraction form
    12,179,609.28/18,269,710.38 = 4,092,702.12/x
  3. Step 3: Cross multiply
    12,179,609.28x = 18,269,710.38 × 4,092,702.12
  4. Step 4: Simplify right side
    12,179,609.28x = 74,772,482,404,012
  5. Step 5: Solve for x
    x = 74,772,482,404,012/12,179,609.28
  6. Step 6: Final answer
    x = 6,139,152.80

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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.