Home / 11,142,554.32-15,379,913.58-6,561,532.88

Finding the Fourth Proportional to 11,142,554.32, 15,379,913.58 and 6,561,532.88

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Solution

The fourth proportional to 11,142,554.32, 15,379,913.58 and 6,561,532.88 is: 9,056,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,554.32 : 15,379,913.58 = 6,561,532.88 : x
  2. Step 2: Convert to fraction form
    11,142,554.32/15,379,913.58 = 6,561,532.88/x
  3. Step 3: Cross multiply
    11,142,554.32x = 15,379,913.58 × 6,561,532.88
  4. Step 4: Simplify right side
    11,142,554.32x = 100,915,808,646,728.52
  5. Step 5: Solve for x
    x = 100,915,808,646,728.52/11,142,554.32
  6. Step 6: Final answer
    x = 9,056,793.06

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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.