Home / 12,305,820.89-16,933,022.33-11,931,404.10

Finding the Fourth Proportional to 12,305,820.89, 16,933,022.33 and 11,931,404.10

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Solution

The fourth proportional to 12,305,820.89, 16,933,022.33 and 11,931,404.10 is: 16,417,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,820.89 : 16,933,022.33 = 11,931,404.10 : x
  2. Step 2: Convert to fraction form
    12,305,820.89/16,933,022.33 = 11,931,404.10/x
  3. Step 3: Cross multiply
    12,305,820.89x = 16,933,022.33 × 11,931,404.10
  4. Step 4: Simplify right side
    12,305,820.89x = 202,034,731,993,896.53
  5. Step 5: Solve for x
    x = 202,034,731,993,896.53/12,305,820.89
  6. Step 6: Final answer
    x = 16,417,818.35

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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.