Home / 13,203,858.40-19,837,280.40-11,818,175.20

Finding the Fourth Proportional to 13,203,858.40, 19,837,280.40 and 11,818,175.20

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Solution

The fourth proportional to 13,203,858.40, 19,837,280.40 and 11,818,175.20 is: 17,755,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,858.40 : 19,837,280.40 = 11,818,175.20 : x
  2. Step 2: Convert to fraction form
    13,203,858.40/19,837,280.40 = 11,818,175.20/x
  3. Step 3: Cross multiply
    13,203,858.40x = 19,837,280.40 × 11,818,175.20
  4. Step 4: Simplify right side
    13,203,858.40x = 234,440,455,258,726.06
  5. Step 5: Solve for x
    x = 234,440,455,258,726.06/13,203,858.40
  6. Step 6: Final answer
    x = 17,755,450.58

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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.