Home / 18,501,009.40-27,751,514.10-8,917,356.70

Finding the Fourth Proportional to 18,501,009.40, 27,751,514.10 and 8,917,356.70

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Solution

The fourth proportional to 18,501,009.40, 27,751,514.10 and 8,917,356.70 is: 13,376,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501,009.40 : 27,751,514.10 = 8,917,356.70 : x
  2. Step 2: Convert to fraction form
    18,501,009.40/27,751,514.10 = 8,917,356.70/x
  3. Step 3: Cross multiply
    18,501,009.40x = 27,751,514.10 × 8,917,356.70
  4. Step 4: Simplify right side
    18,501,009.40x = 247,470,150,194,779.47
  5. Step 5: Solve for x
    x = 247,470,150,194,779.47/18,501,009.40
  6. Step 6: Final answer
    x = 13,376,035.05

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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.