Home / 12,076,265.10-18,109,148.85-3,986,114.70

Finding the Fourth Proportional to 12,076,265.10, 18,109,148.85 and 3,986,114.70

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Solution

The fourth proportional to 12,076,265.10, 18,109,148.85 and 3,986,114.70 is: 5,977,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,265.10 : 18,109,148.85 = 3,986,114.70 : x
  2. Step 2: Convert to fraction form
    12,076,265.10/18,109,148.85 = 3,986,114.70/x
  3. Step 3: Cross multiply
    12,076,265.10x = 18,109,148.85 × 3,986,114.70
  4. Step 4: Simplify right side
    12,076,265.10x = 72,185,144,435,473.11
  5. Step 5: Solve for x
    x = 72,185,144,435,473.11/12,076,265.10
  6. Step 6: Final answer
    x = 5,977,439.53

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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.