Home / 18,127,937.70-27,191,906.55-7,345,590.30

Finding the Fourth Proportional to 18,127,937.70, 27,191,906.55 and 7,345,590.30

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Solution

The fourth proportional to 18,127,937.70, 27,191,906.55 and 7,345,590.30 is: 11,018,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,937.70 : 27,191,906.55 = 7,345,590.30 : x
  2. Step 2: Convert to fraction form
    18,127,937.70/27,191,906.55 = 7,345,590.30/x
  3. Step 3: Cross multiply
    18,127,937.70x = 27,191,906.55 × 7,345,590.30
  4. Step 4: Simplify right side
    18,127,937.70x = 199,740,604,992,186.47
  5. Step 5: Solve for x
    x = 199,740,604,992,186.47/18,127,937.70
  6. Step 6: Final answer
    x = 11,018,385.45

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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.