Home / 10,186,815.03-15,278,562.05-2,996,667.78

Finding the Fourth Proportional to 10,186,815.03, 15,278,562.05 and 2,996,667.78

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Solution

The fourth proportional to 10,186,815.03, 15,278,562.05 and 2,996,667.78 is: 4,494,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186,815.03 : 15,278,562.05 = 2,996,667.78 : x
  2. Step 2: Convert to fraction form
    10,186,815.03/15,278,562.05 = 2,996,667.78/x
  3. Step 3: Cross multiply
    10,186,815.03x = 15,278,562.05 × 2,996,667.78
  4. Step 4: Simplify right side
    10,186,815.03x = 45,784,774,604,982.41
  5. Step 5: Solve for x
    x = 45,784,774,604,982.41/10,186,815.03
  6. Step 6: Final answer
    x = 4,494,513.20

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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.