Home / 19,387,921.86-29,081,795.31-5,009,767.38

Finding the Fourth Proportional to 19,387,921.86, 29,081,795.31 and 5,009,767.38

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Solution

The fourth proportional to 19,387,921.86, 29,081,795.31 and 5,009,767.38 is: 7,514,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,921.86 : 29,081,795.31 = 5,009,767.38 : x
  2. Step 2: Convert to fraction form
    19,387,921.86/29,081,795.31 = 5,009,767.38/x
  3. Step 3: Cross multiply
    19,387,921.86x = 29,081,795.31 × 5,009,767.38
  4. Step 4: Simplify right side
    19,387,921.86x = 145,693,029,495,874.97
  5. Step 5: Solve for x
    x = 145,693,029,495,874.97/19,387,921.86
  6. Step 6: Final answer
    x = 7,514,628.47

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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.