Home / 11,178,342.80-16,767,514.20-8,938,854.80

Finding the Fourth Proportional to 11,178,342.80, 16,767,514.20 and 8,938,854.80

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Solution

The fourth proportional to 11,178,342.80, 16,767,514.20 and 8,938,854.80 is: 13,408,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,342.80 : 16,767,514.20 = 8,938,854.80 : x
  2. Step 2: Convert to fraction form
    11,178,342.80/16,767,514.20 = 8,938,854.80/x
  3. Step 3: Cross multiply
    11,178,342.80x = 16,767,514.20 × 8,938,854.80
  4. Step 4: Simplify right side
    11,178,342.80x = 149,882,374,790,738.16
  5. Step 5: Solve for x
    x = 149,882,374,790,738.16/11,178,342.80
  6. Step 6: Final answer
    x = 13,408,282.20

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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.