Home / 18,194,686.40-27,284,156.40-7,408,402.40

Finding the Fourth Proportional to 18,194,686.40, 27,284,156.40 and 7,408,402.40

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Solution

The fourth proportional to 18,194,686.40, 27,284,156.40 and 7,408,402.40 is: 11,109,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,686.40 : 27,284,156.40 = 7,408,402.40 : x
  2. Step 2: Convert to fraction form
    18,194,686.40/27,284,156.40 = 7,408,402.40/x
  3. Step 3: Cross multiply
    18,194,686.40x = 27,284,156.40 × 7,408,402.40
  4. Step 4: Simplify right side
    18,194,686.40x = 202,132,009,755,735.34
  5. Step 5: Solve for x
    x = 202,132,009,755,735.34/18,194,686.40
  6. Step 6: Final answer
    x = 11,109,397.84

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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.