Home / 8,680,945.28-11,979,683.88-4,813,367

Finding the Fourth Proportional to 8,680,945.28, 11,979,683.88 and 4,813,367

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Solution

The fourth proportional to 8,680,945.28, 11,979,683.88 and 4,813,367 is: 6,642,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,945.28 : 11,979,683.88 = 4,813,367 : x
  2. Step 2: Convert to fraction form
    8,680,945.28/11,979,683.88 = 4,813,367/x
  3. Step 3: Cross multiply
    8,680,945.28x = 11,979,683.88 × 4,813,367
  4. Step 4: Simplify right side
    8,680,945.28x = 57,662,615,058,423.96
  5. Step 5: Solve for x
    x = 57,662,615,058,423.96/8,680,945.28
  6. Step 6: Final answer
    x = 6,642,435.03

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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.