Home / 13,472,332.29-18,591,825.38-7,277,378.67

Finding the Fourth Proportional to 13,472,332.29, 18,591,825.38 and 7,277,378.67

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Solution

The fourth proportional to 13,472,332.29, 18,591,825.38 and 7,277,378.67 is: 10,042,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,332.29 : 18,591,825.38 = 7,277,378.67 : x
  2. Step 2: Convert to fraction form
    13,472,332.29/18,591,825.38 = 7,277,378.67/x
  3. Step 3: Cross multiply
    13,472,332.29x = 18,591,825.38 × 7,277,378.67
  4. Step 4: Simplify right side
    13,472,332.29x = 135,299,753,420,389.75
  5. Step 5: Solve for x
    x = 135,299,753,420,389.75/13,472,332.29
  6. Step 6: Final answer
    x = 10,042,786.25

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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.