Home / 10,811,968.70-14,920,522.62-5,917,187.94

Finding the Fourth Proportional to 10,811,968.70, 14,920,522.62 and 5,917,187.94

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Solution

The fourth proportional to 10,811,968.70, 14,920,522.62 and 5,917,187.94 is: 8,165,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811,968.70 : 14,920,522.62 = 5,917,187.94 : x
  2. Step 2: Convert to fraction form
    10,811,968.70/14,920,522.62 = 5,917,187.94/x
  3. Step 3: Cross multiply
    10,811,968.70x = 14,920,522.62 × 5,917,187.94
  4. Step 4: Simplify right side
    10,811,968.70x = 88,287,536,505,561.20
  5. Step 5: Solve for x
    x = 88,287,536,505,561.20/10,811,968.70
  6. Step 6: Final answer
    x = 8,165,722.54

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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.