Home / 14,601,630.89-20,148,012.25-8,405,480.40

Finding the Fourth Proportional to 14,601,630.89, 20,148,012.25 and 8,405,480.40

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Solution

The fourth proportional to 14,601,630.89, 20,148,012.25 and 8,405,480.40 is: 11,598,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601,630.89 : 20,148,012.25 = 8,405,480.40 : x
  2. Step 2: Convert to fraction form
    14,601,630.89/20,148,012.25 = 8,405,480.40/x
  3. Step 3: Cross multiply
    14,601,630.89x = 20,148,012.25 × 8,405,480.40
  4. Step 4: Simplify right side
    14,601,630.89x = 169,353,722,045,321.19
  5. Step 5: Solve for x
    x = 169,353,722,045,321.19/14,601,630.89
  6. Step 6: Final answer
    x = 11,598,274.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.