Home / 18,018,345.07-27,032,124.60-5,238,849.70

Finding the Fourth Proportional to 18,018,345.07, 27,032,124.60 and 5,238,849.70

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Solution

The fourth proportional to 18,018,345.07, 27,032,124.60 and 5,238,849.70 is: 7,859,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,345.07 : 27,032,124.60 = 5,238,849.70 : x
  2. Step 2: Convert to fraction form
    18,018,345.07/27,032,124.60 = 5,238,849.70/x
  3. Step 3: Cross multiply
    18,018,345.07x = 27,032,124.60 × 5,238,849.70
  4. Step 4: Simplify right side
    18,018,345.07x = 141,617,237,851,072.62
  5. Step 5: Solve for x
    x = 141,617,237,851,072.62/18,018,345.07
  6. Step 6: Final answer
    x = 7,859,614.04

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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.