Home / 12,476,656.56-18,672,402.60-10,457,181.84

Finding the Fourth Proportional to 12,476,656.56, 18,672,402.60 and 10,457,181.84

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Solution

The fourth proportional to 12,476,656.56, 18,672,402.60 and 10,457,181.84 is: 15,650,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,656.56 : 18,672,402.60 = 10,457,181.84 : x
  2. Step 2: Convert to fraction form
    12,476,656.56/18,672,402.60 = 10,457,181.84/x
  3. Step 3: Cross multiply
    12,476,656.56x = 18,672,402.60 × 10,457,181.84
  4. Step 4: Simplify right side
    12,476,656.56x = 195,260,709,377,888.78
  5. Step 5: Solve for x
    x = 195,260,709,377,888.78/12,476,656.56
  6. Step 6: Final answer
    x = 15,650,082.89

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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.