Home / 20,550,222.62-28,358,090.47-11,255,939.18

Finding the Fourth Proportional to 20,550,222.62, 28,358,090.47 and 11,255,939.18

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Solution

The fourth proportional to 20,550,222.62, 28,358,090.47 and 11,255,939.18 is: 15,532,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550,222.62 : 28,358,090.47 = 11,255,939.18 : x
  2. Step 2: Convert to fraction form
    20,550,222.62/28,358,090.47 = 11,255,939.18/x
  3. Step 3: Cross multiply
    20,550,222.62x = 28,358,090.47 × 11,255,939.18
  4. Step 4: Simplify right side
    20,550,222.62x = 319,196,941,591,257.56
  5. Step 5: Solve for x
    x = 319,196,941,591,257.56/20,550,222.62
  6. Step 6: Final answer
    x = 15,532,529.62

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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.