Home / 19,421,959.82-26,802,306.88-10,720,134.78

Finding the Fourth Proportional to 19,421,959.82, 26,802,306.88 and 10,720,134.78

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Solution

The fourth proportional to 19,421,959.82, 26,802,306.88 and 10,720,134.78 is: 14,793,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,959.82 : 26,802,306.88 = 10,720,134.78 : x
  2. Step 2: Convert to fraction form
    19,421,959.82/26,802,306.88 = 10,720,134.78/x
  3. Step 3: Cross multiply
    19,421,959.82x = 26,802,306.88 × 10,720,134.78
  4. Step 4: Simplify right side
    19,421,959.82x = 287,324,342,041,212.31
  5. Step 5: Solve for x
    x = 287,324,342,041,212.31/19,421,959.82
  6. Step 6: Final answer
    x = 14,793,787.28

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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.