Home / 13,226,965,963.72-18,253,204,982.66-7,286,518,465.72

Finding the Fourth Proportional to 13,226,965,963.72, 18,253,204,982.66 and 7,286,518,465.72

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Solution

The fourth proportional to 13,226,965,963.72, 18,253,204,982.66 and 7,286,518,465.72 is: 10,055,391,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,965,963.72 : 18,253,204,982.66 = 7,286,518,465.72 : x
  2. Step 2: Convert to fraction form
    13,226,965,963.72/18,253,204,982.66 = 7,286,518,465.72/x
  3. Step 3: Cross multiply
    13,226,965,963.72x = 18,253,204,982.66 × 7,286,518,465.72
  4. Step 4: Simplify right side
    13,226,965,963.72x = 133,002,315,164,742,615,040
  5. Step 5: Solve for x
    x = 133,002,315,164,742,615,040/13,226,965,963.72
  6. Step 6: Final answer
    x = 10,055,391,049.58

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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.