Home / 13,070,690.90-19,588,100.02-8,269,785.80

Finding the Fourth Proportional to 13,070,690.90, 19,588,100.02 and 8,269,785.80

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Solution

The fourth proportional to 13,070,690.90, 19,588,100.02 and 8,269,785.80 is: 12,393,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,690.90 : 19,588,100.02 = 8,269,785.80 : x
  2. Step 2: Convert to fraction form
    13,070,690.90/19,588,100.02 = 8,269,785.80/x
  3. Step 3: Cross multiply
    13,070,690.90x = 19,588,100.02 × 8,269,785.80
  4. Step 4: Simplify right side
    13,070,690.90x = 161,989,391,394,375.72
  5. Step 5: Solve for x
    x = 161,989,391,394,375.72/13,070,690.90
  6. Step 6: Final answer
    x = 12,393,330.44

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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.