Home / 12,654,003.78-18,984,242.46-3,678,555.78

Finding the Fourth Proportional to 12,654,003.78, 18,984,242.46 and 3,678,555.78

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Solution

The fourth proportional to 12,654,003.78, 18,984,242.46 and 3,678,555.78 is: 5,518,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,003.78 : 18,984,242.46 = 3,678,555.78 : x
  2. Step 2: Convert to fraction form
    12,654,003.78/18,984,242.46 = 3,678,555.78/x
  3. Step 3: Cross multiply
    12,654,003.78x = 18,984,242.46 × 3,678,555.78
  4. Step 4: Simplify right side
    12,654,003.78x = 69,834,594,830,154.42
  5. Step 5: Solve for x
    x = 69,834,594,830,154.42/12,654,003.78
  6. Step 6: Final answer
    x = 5,518,774.61

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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.