Home / 11,679,999.33-17,523,741.87-8,178,204.70

Finding the Fourth Proportional to 11,679,999.33, 17,523,741.87 and 8,178,204.70

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Solution

The fourth proportional to 11,679,999.33, 17,523,741.87 and 8,178,204.70 is: 12,269,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,999.33 : 17,523,741.87 = 8,178,204.70 : x
  2. Step 2: Convert to fraction form
    11,679,999.33/17,523,741.87 = 8,178,204.70/x
  3. Step 3: Cross multiply
    11,679,999.33x = 17,523,741.87 × 8,178,204.70
  4. Step 4: Simplify right side
    11,679,999.33x = 143,312,748,122,820.81
  5. Step 5: Solve for x
    x = 143,312,748,122,820.81/11,679,999.33
  6. Step 6: Final answer
    x = 12,269,927.77

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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.