Home / 13,171,003.79-19,730,942.42-9,706,451.40

Finding the Fourth Proportional to 13,171,003.79, 19,730,942.42 and 9,706,451.40

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Solution

The fourth proportional to 13,171,003.79, 19,730,942.42 and 9,706,451.40 is: 14,540,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,003.79 : 19,730,942.42 = 9,706,451.40 : x
  2. Step 2: Convert to fraction form
    13,171,003.79/19,730,942.42 = 9,706,451.40/x
  3. Step 3: Cross multiply
    13,171,003.79x = 19,730,942.42 × 9,706,451.40
  4. Step 4: Simplify right side
    13,171,003.79x = 191,517,433,627,396.12
  5. Step 5: Solve for x
    x = 191,517,433,627,396.12/13,171,003.79
  6. Step 6: Final answer
    x = 14,540,838.10

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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.