Home / 13,203,905.40-19,837,350.90-11,818,222.20

Finding the Fourth Proportional to 13,203,905.40, 19,837,350.90 and 11,818,222.20

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Solution

The fourth proportional to 13,203,905.40, 19,837,350.90 and 11,818,222.20 is: 17,755,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,905.40 : 19,837,350.90 = 11,818,222.20 : x
  2. Step 2: Convert to fraction form
    13,203,905.40/19,837,350.90 = 11,818,222.20/x
  3. Step 3: Cross multiply
    13,203,905.40x = 19,837,350.90 × 11,818,222.20
  4. Step 4: Simplify right side
    13,203,905.40x = 234,442,220,795,569.94
  5. Step 5: Solve for x
    x = 234,442,220,795,569.94/13,203,905.40
  6. Step 6: Final answer
    x = 17,755,521.09

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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.