Home / 8,680,942.28-11,979,679.74-4,813,364

Finding the Fourth Proportional to 8,680,942.28, 11,979,679.74 and 4,813,364

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Solution

The fourth proportional to 8,680,942.28, 11,979,679.74 and 4,813,364 is: 6,642,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,942.28 : 11,979,679.74 = 4,813,364 : x
  2. Step 2: Convert to fraction form
    8,680,942.28/11,979,679.74 = 4,813,364/x
  3. Step 3: Cross multiply
    8,680,942.28x = 11,979,679.74 × 4,813,364
  4. Step 4: Simplify right side
    8,680,942.28x = 57,662,559,192,045.36
  5. Step 5: Solve for x
    x = 57,662,559,192,045.36/8,680,942.28
  6. Step 6: Final answer
    x = 6,642,430.89

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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.