Home / 19,748,821.21-27,241,456.28-13,043,194.90

Finding the Fourth Proportional to 19,748,821.21, 27,241,456.28 and 13,043,194.90

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Solution

The fourth proportional to 19,748,821.21, 27,241,456.28 and 13,043,194.90 is: 17,991,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748,821.21 : 27,241,456.28 = 13,043,194.90 : x
  2. Step 2: Convert to fraction form
    19,748,821.21/27,241,456.28 = 13,043,194.90/x
  3. Step 3: Cross multiply
    19,748,821.21x = 27,241,456.28 × 13,043,194.90
  4. Step 4: Simplify right side
    19,748,821.21x = 355,315,623,486,549.38
  5. Step 5: Solve for x
    x = 355,315,623,486,549.38/19,748,821.21
  6. Step 6: Final answer
    x = 17,991,738.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.