Home / 8,880,206.78-12,254,685.21-4,805,825.78

Finding the Fourth Proportional to 8,880,206.78, 12,254,685.21 and 4,805,825.78

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Solution

The fourth proportional to 8,880,206.78, 12,254,685.21 and 4,805,825.78 is: 6,632,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880,206.78 : 12,254,685.21 = 4,805,825.78 : x
  2. Step 2: Convert to fraction form
    8,880,206.78/12,254,685.21 = 4,805,825.78/x
  3. Step 3: Cross multiply
    8,880,206.78x = 12,254,685.21 × 4,805,825.78
  4. Step 4: Simplify right side
    8,880,206.78x = 58,893,882,138,639.43
  5. Step 5: Solve for x
    x = 58,893,882,138,639.43/8,880,206.78
  6. Step 6: Final answer
    x = 6,632,039.50

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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.