Home / 12,928,102.00-17,840,834.78-7,126,756.45

Finding the Fourth Proportional to 12,928,102.00, 17,840,834.78 and 7,126,756.45

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Solution

The fourth proportional to 12,928,102.00, 17,840,834.78 and 7,126,756.45 is: 9,834,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,102.00 : 17,840,834.78 = 7,126,756.45 : x
  2. Step 2: Convert to fraction form
    12,928,102.00/17,840,834.78 = 7,126,756.45/x
  3. Step 3: Cross multiply
    12,928,102.00x = 17,840,834.78 × 7,126,756.45
  4. Step 4: Simplify right side
    12,928,102.00x = 127,147,284,381,867.25
  5. Step 5: Solve for x
    x = 127,147,284,381,867.25/12,928,102.00
  6. Step 6: Final answer
    x = 9,834,953.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.