Home / 8,491,685.32-11,718,409.80-4,820,569.84

Finding the Fourth Proportional to 8,491,685.32, 11,718,409.80 and 4,820,569.84

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Solution

The fourth proportional to 8,491,685.32, 11,718,409.80 and 4,820,569.84 is: 6,652,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,685.32 : 11,718,409.80 = 4,820,569.84 : x
  2. Step 2: Convert to fraction form
    8,491,685.32/11,718,409.80 = 4,820,569.84/x
  3. Step 3: Cross multiply
    8,491,685.32x = 11,718,409.80 × 4,820,569.84
  4. Step 4: Simplify right side
    8,491,685.32x = 56,489,412,854,640.44
  5. Step 5: Solve for x
    x = 56,489,412,854,640.44/8,491,685.32
  6. Step 6: Final answer
    x = 6,652,320.56

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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.