Home / 20,600,111.31-30,905,907.52-16,797,838.29

Finding the Fourth Proportional to 20,600,111.31, 30,905,907.52 and 16,797,838.29

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Solution

The fourth proportional to 20,600,111.31, 30,905,907.52 and 16,797,838.29 is: 25,201,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600,111.31 : 30,905,907.52 = 16,797,838.29 : x
  2. Step 2: Convert to fraction form
    20,600,111.31/30,905,907.52 = 16,797,838.29/x
  3. Step 3: Cross multiply
    20,600,111.31x = 30,905,907.52 × 16,797,838.29
  4. Step 4: Simplify right side
    20,600,111.31x = 519,152,436,572,125.38
  5. Step 5: Solve for x
    x = 519,152,436,572,125.38/20,600,111.31
  6. Step 6: Final answer
    x = 25,201,438.42

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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.