Home / 20,525,285.58-30,766,670.70-16,892,886.36

Finding the Fourth Proportional to 20,525,285.58, 30,766,670.70 and 16,892,886.36

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Solution

The fourth proportional to 20,525,285.58, 30,766,670.70 and 16,892,886.36 is: 25,321,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525,285.58 : 30,766,670.70 = 16,892,886.36 : x
  2. Step 2: Convert to fraction form
    20,525,285.58/30,766,670.70 = 16,892,886.36/x
  3. Step 3: Cross multiply
    20,525,285.58x = 30,766,670.70 × 16,892,886.36
  4. Step 4: Simplify right side
    20,525,285.58x = 519,737,871,810,641.62
  5. Step 5: Solve for x
    x = 519,737,871,810,641.62/20,525,285.58
  6. Step 6: Final answer
    x = 25,321,833.88

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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.