Home / 12,911,977.75-19,374,167.31-8,053,036.96

Finding the Fourth Proportional to 12,911,977.75, 19,374,167.31 and 8,053,036.96

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Solution

The fourth proportional to 12,911,977.75, 19,374,167.31 and 8,053,036.96 is: 12,083,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911,977.75 : 19,374,167.31 = 8,053,036.96 : x
  2. Step 2: Convert to fraction form
    12,911,977.75/19,374,167.31 = 8,053,036.96/x
  3. Step 3: Cross multiply
    12,911,977.75x = 19,374,167.31 × 8,053,036.96
  4. Step 4: Simplify right side
    12,911,977.75x = 156,020,885,416,653.78
  5. Step 5: Solve for x
    x = 156,020,885,416,653.78/12,911,977.75
  6. Step 6: Final answer
    x = 12,083,422.73

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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.