Home / 12,122,138.70-18,183,208.05-5,744,846.70

Finding the Fourth Proportional to 12,122,138.70, 18,183,208.05 and 5,744,846.70

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Solution

The fourth proportional to 12,122,138.70, 18,183,208.05 and 5,744,846.70 is: 8,617,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,138.70 : 18,183,208.05 = 5,744,846.70 : x
  2. Step 2: Convert to fraction form
    12,122,138.70/18,183,208.05 = 5,744,846.70/x
  3. Step 3: Cross multiply
    12,122,138.70x = 18,183,208.05 × 5,744,846.70
  4. Step 4: Simplify right side
    12,122,138.70x = 104,459,742,761,455.94
  5. Step 5: Solve for x
    x = 104,459,742,761,455.94/12,122,138.70
  6. Step 6: Final answer
    x = 8,617,270.05

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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.