Home / 22,209,369.82-30,648,720.24-12,419,701.72

Finding the Fourth Proportional to 22,209,369.82, 30,648,720.24 and 12,419,701.72

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Solution

The fourth proportional to 22,209,369.82, 30,648,720.24 and 12,419,701.72 is: 17,139,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209,369.82 : 30,648,720.24 = 12,419,701.72 : x
  2. Step 2: Convert to fraction form
    22,209,369.82/30,648,720.24 = 12,419,701.72/x
  3. Step 3: Cross multiply
    22,209,369.82x = 30,648,720.24 × 12,419,701.72
  4. Step 4: Simplify right side
    22,209,369.82x = 380,647,963,480,526.81
  5. Step 5: Solve for x
    x = 380,647,963,480,526.81/22,209,369.82
  6. Step 6: Final answer
    x = 17,139,070.88

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