Home / 8,425,687.34-11,627,778.21-4,940,541.74

Finding the Fourth Proportional to 8,425,687.34, 11,627,778.21 and 4,940,541.74

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Solution

The fourth proportional to 8,425,687.34, 11,627,778.21 and 4,940,541.74 is: 6,818,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,687.34 : 11,627,778.21 = 4,940,541.74 : x
  2. Step 2: Convert to fraction form
    8,425,687.34/11,627,778.21 = 4,940,541.74/x
  3. Step 3: Cross multiply
    8,425,687.34x = 11,627,778.21 × 4,940,541.74
  4. Step 4: Simplify right side
    8,425,687.34x = 57,447,523,589,967.49
  5. Step 5: Solve for x
    x = 57,447,523,589,967.49/8,425,687.34
  6. Step 6: Final answer
    x = 6,818,140.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.