Home / 21,830,491.80-32,745,737.70-20,767,609.80

Finding the Fourth Proportional to 21,830,491.80, 32,745,737.70 and 20,767,609.80

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Solution

The fourth proportional to 21,830,491.80, 32,745,737.70 and 20,767,609.80 is: 31,151,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,491.80 : 32,745,737.70 = 20,767,609.80 : x
  2. Step 2: Convert to fraction form
    21,830,491.80/32,745,737.70 = 20,767,609.80/x
  3. Step 3: Cross multiply
    21,830,491.80x = 32,745,737.70 × 20,767,609.80
  4. Step 4: Simplify right side
    21,830,491.80x = 680,050,703,166,749.50
  5. Step 5: Solve for x
    x = 680,050,703,166,749.50/21,830,491.80
  6. Step 6: Final answer
    x = 31,151,414.70

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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.