Home / 13,376,087.40-20,064,131.10-9,969,853.80

Finding the Fourth Proportional to 13,376,087.40, 20,064,131.10 and 9,969,853.80

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Solution

The fourth proportional to 13,376,087.40, 20,064,131.10 and 9,969,853.80 is: 14,954,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,087.40 : 20,064,131.10 = 9,969,853.80 : x
  2. Step 2: Convert to fraction form
    13,376,087.40/20,064,131.10 = 9,969,853.80/x
  3. Step 3: Cross multiply
    13,376,087.40x = 20,064,131.10 × 9,969,853.80
  4. Step 4: Simplify right side
    13,376,087.40x = 200,036,453,691,033.22
  5. Step 5: Solve for x
    x = 200,036,453,691,033.22/13,376,087.40
  6. Step 6: Final answer
    x = 14,954,780.70

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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.