Home / 21,020,608.56-29,008,399.74-11,727,625.71

Finding the Fourth Proportional to 21,020,608.56, 29,008,399.74 and 11,727,625.71

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Solution

The fourth proportional to 21,020,608.56, 29,008,399.74 and 11,727,625.71 is: 16,184,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,608.56 : 29,008,399.74 = 11,727,625.71 : x
  2. Step 2: Convert to fraction form
    21,020,608.56/29,008,399.74 = 11,727,625.71/x
  3. Step 3: Cross multiply
    21,020,608.56x = 29,008,399.74 × 11,727,625.71
  4. Step 4: Simplify right side
    21,020,608.56x = 340,199,654,596,781.31
  5. Step 5: Solve for x
    x = 340,199,654,596,781.31/21,020,608.56
  6. Step 6: Final answer
    x = 16,184,101.12

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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.