Home / 20,951,440.66-31,417,997.46-10,570,271.07

Finding the Fourth Proportional to 20,951,440.66, 31,417,997.46 and 10,570,271.07

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Solution

The fourth proportional to 20,951,440.66, 31,417,997.46 and 10,570,271.07 is: 15,850,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,440.66 : 31,417,997.46 = 10,570,271.07 : x
  2. Step 2: Convert to fraction form
    20,951,440.66/31,417,997.46 = 10,570,271.07/x
  3. Step 3: Cross multiply
    20,951,440.66x = 31,417,997.46 × 10,570,271.07
  4. Step 4: Simplify right side
    20,951,440.66x = 332,096,749,766,397.69
  5. Step 5: Solve for x
    x = 332,096,749,766,397.69/20,951,440.66
  6. Step 6: Final answer
    x = 15,850,783.49

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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.