Home / 12,432,709.96-18,652,051.20-4,756,229.28

Finding the Fourth Proportional to 12,432,709.96, 18,652,051.20 and 4,756,229.28

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Solution

The fourth proportional to 12,432,709.96, 18,652,051.20 and 4,756,229.28 is: 7,135,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,709.96 : 18,652,051.20 = 4,756,229.28 : x
  2. Step 2: Convert to fraction form
    12,432,709.96/18,652,051.20 = 4,756,229.28/x
  3. Step 3: Cross multiply
    12,432,709.96x = 18,652,051.20 × 4,756,229.28
  4. Step 4: Simplify right side
    12,432,709.96x = 88,713,432,049,499.14
  5. Step 5: Solve for x
    x = 88,713,432,049,499.14/12,432,709.96
  6. Step 6: Final answer
    x = 7,135,486.34

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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.