Home / 22,144,090.80-33,216,136.20-12,578,152.80

Finding the Fourth Proportional to 22,144,090.80, 33,216,136.20 and 12,578,152.80

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Solution

The fourth proportional to 22,144,090.80, 33,216,136.20 and 12,578,152.80 is: 18,867,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144,090.80 : 33,216,136.20 = 12,578,152.80 : x
  2. Step 2: Convert to fraction form
    22,144,090.80/33,216,136.20 = 12,578,152.80/x
  3. Step 3: Cross multiply
    22,144,090.80x = 33,216,136.20 × 12,578,152.80
  4. Step 4: Simplify right side
    22,144,090.80x = 417,797,636,549,211.38
  5. Step 5: Solve for x
    x = 417,797,636,549,211.38/22,144,090.80
  6. Step 6: Final answer
    x = 18,867,229.20

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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.