Home / 8,680,976.64-11,980,286.26-4,813,497.81

Finding the Fourth Proportional to 8,680,976.64, 11,980,286.26 and 4,813,497.81

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Solution

The fourth proportional to 8,680,976.64, 11,980,286.26 and 4,813,497.81 is: 6,642,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,976.64 : 11,980,286.26 = 4,813,497.81 : x
  2. Step 2: Convert to fraction form
    8,680,976.64/11,980,286.26 = 4,813,497.81/x
  3. Step 3: Cross multiply
    8,680,976.64x = 11,980,286.26 × 4,813,497.81
  4. Step 4: Simplify right side
    8,680,976.64x = 57,667,081,663,649.34
  5. Step 5: Solve for x
    x = 57,667,081,663,649.34/8,680,976.64
  6. Step 6: Final answer
    x = 6,642,925.57

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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.