Home / 12,395,627.70-18,593,441.55-7,356,779.70

Finding the Fourth Proportional to 12,395,627.70, 18,593,441.55 and 7,356,779.70

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Solution

The fourth proportional to 12,395,627.70, 18,593,441.55 and 7,356,779.70 is: 11,035,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,627.70 : 18,593,441.55 = 7,356,779.70 : x
  2. Step 2: Convert to fraction form
    12,395,627.70/18,593,441.55 = 7,356,779.70/x
  3. Step 3: Cross multiply
    12,395,627.70x = 18,593,441.55 × 7,356,779.70
  4. Step 4: Simplify right side
    12,395,627.70x = 136,787,853,348,176.55
  5. Step 5: Solve for x
    x = 136,787,853,348,176.55/12,395,627.70
  6. Step 6: Final answer
    x = 11,035,169.55

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Similar ratio
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1.5x scale

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.