Home / 21,665,614.88-29,881,114.32-19,046,519.20

Finding the Fourth Proportional to 21,665,614.88, 29,881,114.32 and 19,046,519.20

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Solution

The fourth proportional to 21,665,614.88, 29,881,114.32 and 19,046,519.20 is: 26,268,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665,614.88 : 29,881,114.32 = 19,046,519.20 : x
  2. Step 2: Convert to fraction form
    21,665,614.88/29,881,114.32 = 19,046,519.20/x
  3. Step 3: Cross multiply
    21,665,614.88x = 29,881,114.32 × 19,046,519.20
  4. Step 4: Simplify right side
    21,665,614.88x = 569,131,217,613,274.88
  5. Step 5: Solve for x
    x = 569,131,217,613,274.88/21,665,614.88
  6. Step 6: Final answer
    x = 26,268,869.86

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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.