Home / 12,540,463.36-18,808,332.72-4,864,093.36

Finding the Fourth Proportional to 12,540,463.36, 18,808,332.72 and 4,864,093.36

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Solution

The fourth proportional to 12,540,463.36, 18,808,332.72 and 4,864,093.36 is: 7,295,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,463.36 : 18,808,332.72 = 4,864,093.36 : x
  2. Step 2: Convert to fraction form
    12,540,463.36/18,808,332.72 = 4,864,093.36/x
  3. Step 3: Cross multiply
    12,540,463.36x = 18,808,332.72 × 4,864,093.36
  4. Step 4: Simplify right side
    12,540,463.36x = 91,485,486,296,022.73
  5. Step 5: Solve for x
    x = 91,485,486,296,022.73/12,540,463.36
  6. Step 6: Final answer
    x = 7,295,223.76

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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.