Home / 7,885,540.40-11,828,310.60-5,366,116.40

Finding the Fourth Proportional to 7,885,540.40, 11,828,310.60 and 5,366,116.40

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Solution

The fourth proportional to 7,885,540.40, 11,828,310.60 and 5,366,116.40 is: 8,049,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885,540.40 : 11,828,310.60 = 5,366,116.40 : x
  2. Step 2: Convert to fraction form
    7,885,540.40/11,828,310.60 = 5,366,116.40/x
  3. Step 3: Cross multiply
    7,885,540.40x = 11,828,310.60 × 5,366,116.40
  4. Step 4: Simplify right side
    7,885,540.40x = 63,472,091,494,953.84
  5. Step 5: Solve for x
    x = 63,472,091,494,953.84/7,885,540.40
  6. Step 6: Final answer
    x = 8,049,174.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.