Home / 15,610,620.78-23,415,799.82-12,201,774.66

Finding the Fourth Proportional to 15,610,620.78, 23,415,799.82 and 12,201,774.66

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Solution

The fourth proportional to 15,610,620.78, 23,415,799.82 and 12,201,774.66 is: 18,302,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610,620.78 : 23,415,799.82 = 12,201,774.66 : x
  2. Step 2: Convert to fraction form
    15,610,620.78/23,415,799.82 = 12,201,774.66/x
  3. Step 3: Cross multiply
    15,610,620.78x = 23,415,799.82 × 12,201,774.66
  4. Step 4: Simplify right side
    15,610,620.78x = 285,714,312,826,299.69
  5. Step 5: Solve for x
    x = 285,714,312,826,299.69/15,610,620.78
  6. Step 6: Final answer
    x = 18,302,559.32

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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.