Home / 20,951,270.89-31,417,744.69-10,570,103.02

Finding the Fourth Proportional to 20,951,270.89, 31,417,744.69 and 10,570,103.02

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Solution

The fourth proportional to 20,951,270.89, 31,417,744.69 and 10,570,103.02 is: 15,850,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,270.89 : 31,417,744.69 = 10,570,103.02 : x
  2. Step 2: Convert to fraction form
    20,951,270.89/31,417,744.69 = 10,570,103.02/x
  3. Step 3: Cross multiply
    20,951,270.89x = 31,417,744.69 × 10,570,103.02
  4. Step 4: Simplify right side
    20,951,270.89x = 332,088,798,170,189.50
  5. Step 5: Solve for x
    x = 332,088,798,170,189.50/20,951,270.89
  6. Step 6: Final answer
    x = 15,850,532.40

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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.