Home / 21,445,807.26-29,595,412.20-11,656,274.52

Finding the Fourth Proportional to 21,445,807.26, 29,595,412.20 and 11,656,274.52

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Solution

The fourth proportional to 21,445,807.26, 29,595,412.20 and 11,656,274.52 is: 16,085,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,807.26 : 29,595,412.20 = 11,656,274.52 : x
  2. Step 2: Convert to fraction form
    21,445,807.26/29,595,412.20 = 11,656,274.52/x
  3. Step 3: Cross multiply
    21,445,807.26x = 29,595,412.20 × 11,656,274.52
  4. Step 4: Simplify right side
    21,445,807.26x = 344,972,249,135,757.12
  5. Step 5: Solve for x
    x = 344,972,249,135,757.12/21,445,807.26
  6. Step 6: Final answer
    x = 16,085,766.55

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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.