Home / 8,139,563.34-12,193,383.02-4,720,667.73

Finding the Fourth Proportional to 8,139,563.34, 12,193,383.02 and 4,720,667.73

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Solution

The fourth proportional to 8,139,563.34, 12,193,383.02 and 4,720,667.73 is: 7,071,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,563.34 : 12,193,383.02 = 4,720,667.73 : x
  2. Step 2: Convert to fraction form
    8,139,563.34/12,193,383.02 = 4,720,667.73/x
  3. Step 3: Cross multiply
    8,139,563.34x = 12,193,383.02 × 4,720,667.73
  4. Step 4: Simplify right side
    8,139,563.34x = 57,560,909,718,440.62
  5. Step 5: Solve for x
    x = 57,560,909,718,440.62/8,139,563.34
  6. Step 6: Final answer
    x = 7,071,744.19

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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.