Home / 8,780,983.41-13,171,401.18-6,863,507.49

Finding the Fourth Proportional to 8,780,983.41, 13,171,401.18 and 6,863,507.49

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Solution

The fourth proportional to 8,780,983.41, 13,171,401.18 and 6,863,507.49 is: 10,295,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,983.41 : 13,171,401.18 = 6,863,507.49 : x
  2. Step 2: Convert to fraction form
    8,780,983.41/13,171,401.18 = 6,863,507.49/x
  3. Step 3: Cross multiply
    8,780,983.41x = 13,171,401.18 × 6,863,507.49
  4. Step 4: Simplify right side
    8,780,983.41x = 90,402,010,652,724.84
  5. Step 5: Solve for x
    x = 90,402,010,652,724.84/8,780,983.41
  6. Step 6: Final answer
    x = 10,295,203.44

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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.