Home / 28,722,144.60-43,104,212.10-20,219,088.60

Finding the Fourth Proportional to 28,722,144.60, 43,104,212.10 and 20,219,088.60

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Solution

The fourth proportional to 28,722,144.60, 43,104,212.10 and 20,219,088.60 is: 30,343,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722,144.60 : 43,104,212.10 = 20,219,088.60 : x
  2. Step 2: Convert to fraction form
    28,722,144.60/43,104,212.10 = 20,219,088.60/x
  3. Step 3: Cross multiply
    28,722,144.60x = 43,104,212.10 × 20,219,088.60
  4. Step 4: Simplify right side
    28,722,144.60x = 871,527,883,483,092.12
  5. Step 5: Solve for x
    x = 871,527,883,483,092.12/28,722,144.60
  6. Step 6: Final answer
    x = 30,343,412.57

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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.