Home / 20,951,448.93-31,418,009.85-10,570,279.35

Finding the Fourth Proportional to 20,951,448.93, 31,418,009.85 and 10,570,279.35

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Solution

The fourth proportional to 20,951,448.93, 31,418,009.85 and 10,570,279.35 is: 15,850,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,448.93 : 31,418,009.85 = 10,570,279.35 : x
  2. Step 2: Convert to fraction form
    20,951,448.93/31,418,009.85 = 10,570,279.35/x
  3. Step 3: Cross multiply
    20,951,448.93x = 31,418,009.85 × 10,570,279.35
  4. Step 4: Simplify right side
    20,951,448.93x = 332,097,140,735,551.62
  5. Step 5: Solve for x
    x = 332,097,140,735,551.62/20,951,448.93
  6. Step 6: Final answer
    x = 15,850,795.90

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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.