Home / 20,136,972.80-30,205,459.20-5,953,548.80

Finding the Fourth Proportional to 20,136,972.80, 30,205,459.20 and 5,953,548.80

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Solution

The fourth proportional to 20,136,972.80, 30,205,459.20 and 5,953,548.80 is: 8,930,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,972.80 : 30,205,459.20 = 5,953,548.80 : x
  2. Step 2: Convert to fraction form
    20,136,972.80/30,205,459.20 = 5,953,548.80/x
  3. Step 3: Cross multiply
    20,136,972.80x = 30,205,459.20 × 5,953,548.80
  4. Step 4: Simplify right side
    20,136,972.80x = 179,829,675,373,608.94
  5. Step 5: Solve for x
    x = 179,829,675,373,608.94/20,136,972.80
  6. Step 6: Final answer
    x = 8,930,323.20

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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.