Home / 21,074,522.66-31,613,952.47-7,954,991.01

Finding the Fourth Proportional to 21,074,522.66, 31,613,952.47 and 7,954,991.01

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Solution

The fourth proportional to 21,074,522.66, 31,613,952.47 and 7,954,991.01 is: 11,933,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,522.66 : 31,613,952.47 = 7,954,991.01 : x
  2. Step 2: Convert to fraction form
    21,074,522.66/31,613,952.47 = 7,954,991.01/x
  3. Step 3: Cross multiply
    21,074,522.66x = 31,613,952.47 × 7,954,991.01
  4. Step 4: Simplify right side
    21,074,522.66x = 251,488,707,649,642.34
  5. Step 5: Solve for x
    x = 251,488,707,649,642.34/21,074,522.66
  6. Step 6: Final answer
    x = 11,933,305.05

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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.