Home / 12,146,056.70-18,219,085.05-3,170,608.70

Finding the Fourth Proportional to 12,146,056.70, 18,219,085.05 and 3,170,608.70

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Solution

The fourth proportional to 12,146,056.70, 18,219,085.05 and 3,170,608.70 is: 4,755,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,056.70 : 18,219,085.05 = 3,170,608.70 : x
  2. Step 2: Convert to fraction form
    12,146,056.70/18,219,085.05 = 3,170,608.70/x
  3. Step 3: Cross multiply
    12,146,056.70x = 18,219,085.05 × 3,170,608.70
  4. Step 4: Simplify right side
    12,146,056.70x = 57,765,589,565,569.94
  5. Step 5: Solve for x
    x = 57,765,589,565,569.94/12,146,056.70
  6. Step 6: Final answer
    x = 4,755,913.05

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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.