Home / 13,422,270.52-20,133,277.13-7,953,428.68

Finding the Fourth Proportional to 13,422,270.52, 20,133,277.13 and 7,953,428.68

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Solution

The fourth proportional to 13,422,270.52, 20,133,277.13 and 7,953,428.68 is: 11,930,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,270.52 : 20,133,277.13 = 7,953,428.68 : x
  2. Step 2: Convert to fraction form
    13,422,270.52/20,133,277.13 = 7,953,428.68/x
  3. Step 3: Cross multiply
    13,422,270.52x = 20,133,277.13 × 7,953,428.68
  4. Step 4: Simplify right side
    13,422,270.52x = 160,128,583,676,884.50
  5. Step 5: Solve for x
    x = 160,128,583,676,884.50/13,422,270.52
  6. Step 6: Final answer
    x = 11,930,066.79

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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.