Home / 13,204,014.90-19,837,515.15-11,818,331.70

Finding the Fourth Proportional to 13,204,014.90, 19,837,515.15 and 11,818,331.70

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Solution

The fourth proportional to 13,204,014.90, 19,837,515.15 and 11,818,331.70 is: 17,755,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,014.90 : 19,837,515.15 = 11,818,331.70 : x
  2. Step 2: Convert to fraction form
    13,204,014.90/19,837,515.15 = 11,818,331.70/x
  3. Step 3: Cross multiply
    13,204,014.90x = 19,837,515.15 × 11,818,331.70
  4. Step 4: Simplify right side
    13,204,014.90x = 234,446,334,146,475.22
  5. Step 5: Solve for x
    x = 234,446,334,146,475.22/13,204,014.90
  6. Step 6: Final answer
    x = 17,755,685.37

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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.