Home / 20,188,491.80-30,240,747.30-16,829,259.80

Finding the Fourth Proportional to 20,188,491.80, 30,240,747.30 and 16,829,259.80

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Solution

The fourth proportional to 20,188,491.80, 30,240,747.30 and 16,829,259.80 is: 25,208,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,491.80 : 30,240,747.30 = 16,829,259.80 : x
  2. Step 2: Convert to fraction form
    20,188,491.80/30,240,747.30 = 16,829,259.80/x
  3. Step 3: Cross multiply
    20,188,491.80x = 30,240,747.30 × 16,829,259.80
  4. Step 4: Simplify right side
    20,188,491.80x = 508,929,392,857,848.56
  5. Step 5: Solve for x
    x = 508,929,392,857,848.56/20,188,491.80
  6. Step 6: Final answer
    x = 25,208,886.23

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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.