Home / 22,147,006.60-33,220,509.90-20,803,313.80

Finding the Fourth Proportional to 22,147,006.60, 33,220,509.90 and 20,803,313.80

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Solution

The fourth proportional to 22,147,006.60, 33,220,509.90 and 20,803,313.80 is: 31,204,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,006.60 : 33,220,509.90 = 20,803,313.80 : x
  2. Step 2: Convert to fraction form
    22,147,006.60/33,220,509.90 = 20,803,313.80/x
  3. Step 3: Cross multiply
    22,147,006.60x = 33,220,509.90 × 20,803,313.80
  4. Step 4: Simplify right side
    22,147,006.60x = 691,096,692,045,706.62
  5. Step 5: Solve for x
    x = 691,096,692,045,706.62/22,147,006.60
  6. Step 6: Final answer
    x = 31,204,970.70

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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.