Home / 10,449,004.60-15,673,506.90-7,898,087.80

Finding the Fourth Proportional to 10,449,004.60, 15,673,506.90 and 7,898,087.80

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Solution

The fourth proportional to 10,449,004.60, 15,673,506.90 and 7,898,087.80 is: 11,847,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,004.60 : 15,673,506.90 = 7,898,087.80 : x
  2. Step 2: Convert to fraction form
    10,449,004.60/15,673,506.90 = 7,898,087.80/x
  3. Step 3: Cross multiply
    10,449,004.60x = 15,673,506.90 × 7,898,087.80
  4. Step 4: Simplify right side
    10,449,004.60x = 123,790,733,630,105.81
  5. Step 5: Solve for x
    x = 123,790,733,630,105.81/10,449,004.60
  6. Step 6: Final answer
    x = 11,847,131.70

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1.5x scale

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.