Home / 13,537,929.80-20,340,072.30-10,178,697.80

Finding the Fourth Proportional to 13,537,929.80, 20,340,072.30 and 10,178,697.80

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Solution

The fourth proportional to 13,537,929.80, 20,340,072.30 and 10,178,697.80 is: 15,292,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537,929.80 : 20,340,072.30 = 10,178,697.80 : x
  2. Step 2: Convert to fraction form
    13,537,929.80/20,340,072.30 = 10,178,697.80/x
  3. Step 3: Cross multiply
    13,537,929.80x = 20,340,072.30 × 10,178,697.80
  4. Step 4: Simplify right side
    13,537,929.80x = 207,035,449,171,850.97
  5. Step 5: Solve for x
    x = 207,035,449,171,850.97/13,537,929.80
  6. Step 6: Final answer
    x = 15,292,991.78

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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.