Home / 18,018,332.12-27,032,105.25-5,238,836.83

Finding the Fourth Proportional to 18,018,332.12, 27,032,105.25 and 5,238,836.83

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Solution

The fourth proportional to 18,018,332.12, 27,032,105.25 and 5,238,836.83 is: 7,859,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,332.12 : 27,032,105.25 = 5,238,836.83 : x
  2. Step 2: Convert to fraction form
    18,018,332.12/27,032,105.25 = 5,238,836.83/x
  3. Step 3: Cross multiply
    18,018,332.12x = 27,032,105.25 × 5,238,836.83
  4. Step 4: Simplify right side
    18,018,332.12x = 141,616,788,549,942.19
  5. Step 5: Solve for x
    x = 141,616,788,549,942.19/18,018,332.12
  6. Step 6: Final answer
    x = 7,859,594.75

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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.