Home / 10,880,448.78-15,015,143.10-6,234,140.61

Finding the Fourth Proportional to 10,880,448.78, 15,015,143.10 and 6,234,140.61

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Solution

The fourth proportional to 10,880,448.78, 15,015,143.10 and 6,234,140.61 is: 8,603,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,448.78 : 15,015,143.10 = 6,234,140.61 : x
  2. Step 2: Convert to fraction form
    10,880,448.78/15,015,143.10 = 6,234,140.61/x
  3. Step 3: Cross multiply
    10,880,448.78x = 15,015,143.10 × 6,234,140.61
  4. Step 4: Simplify right side
    10,880,448.78x = 93,606,513,364,671.30
  5. Step 5: Solve for x
    x = 93,606,513,364,671.30/10,880,448.78
  6. Step 6: Final answer
    x = 8,603,184.97

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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.