Home / 39,142,514.93-54,016,795.62-21,738,859.25

Finding the Fourth Proportional to 39,142,514.93, 54,016,795.62 and 21,738,859.25

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Solution

The fourth proportional to 39,142,514.93, 54,016,795.62 and 21,738,859.25 is: 29,999,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142,514.93 : 54,016,795.62 = 21,738,859.25 : x
  2. Step 2: Convert to fraction form
    39,142,514.93/54,016,795.62 = 21,738,859.25/x
  3. Step 3: Cross multiply
    39,142,514.93x = 54,016,795.62 × 21,738,859.25
  4. Step 4: Simplify right side
    39,142,514.93x = 1,174,263,516,849,112.50
  5. Step 5: Solve for x
    x = 1,174,263,516,849,112.50/39,142,514.93
  6. Step 6: Final answer
    x = 29,999,695.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.