Home / 12,770,364.60-19,164,878.10-8,991,228.60

Finding the Fourth Proportional to 12,770,364.60, 19,164,878.10 and 8,991,228.60

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Solution

The fourth proportional to 12,770,364.60, 19,164,878.10 and 8,991,228.60 is: 13,493,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,364.60 : 19,164,878.10 = 8,991,228.60 : x
  2. Step 2: Convert to fraction form
    12,770,364.60/19,164,878.10 = 8,991,228.60/x
  3. Step 3: Cross multiply
    12,770,364.60x = 19,164,878.10 × 8,991,228.60
  4. Step 4: Simplify right side
    12,770,364.60x = 172,315,800,088,233.66
  5. Step 5: Solve for x
    x = 172,315,800,088,233.66/12,770,364.60
  6. Step 6: Final answer
    x = 13,493,412.72

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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.