Home / 40,256,586.90-60,394,940.55-12,965,451.30

Finding the Fourth Proportional to 40,256,586.90, 60,394,940.55 and 12,965,451.30

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Solution

The fourth proportional to 40,256,586.90, 60,394,940.55 and 12,965,451.30 is: 19,451,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,256,586.90 : 60,394,940.55 = 12,965,451.30 : x
  2. Step 2: Convert to fraction form
    40,256,586.90/60,394,940.55 = 12,965,451.30/x
  3. Step 3: Cross multiply
    40,256,586.90x = 60,394,940.55 × 12,965,451.30
  4. Step 4: Simplify right side
    40,256,586.90x = 783,047,660,467,420.25
  5. Step 5: Solve for x
    x = 783,047,660,467,420.25/40,256,586.90
  6. Step 6: Final answer
    x = 19,451,417.04

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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.