Home / 12,553,377.20-18,830,065.80-3,576,762.80

Finding the Fourth Proportional to 12,553,377.20, 18,830,065.80 and 3,576,762.80

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Solution

The fourth proportional to 12,553,377.20, 18,830,065.80 and 3,576,762.80 is: 5,365,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,377.20 : 18,830,065.80 = 3,576,762.80 : x
  2. Step 2: Convert to fraction form
    12,553,377.20/18,830,065.80 = 3,576,762.80/x
  3. Step 3: Cross multiply
    12,553,377.20x = 18,830,065.80 × 3,576,762.80
  4. Step 4: Simplify right side
    12,553,377.20x = 67,350,678,874,992.24
  5. Step 5: Solve for x
    x = 67,350,678,874,992.24/12,553,377.20
  6. Step 6: Final answer
    x = 5,365,144.20

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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.