Home / 17,120,399.57-23,627,646.10-9,386,936.57

Finding the Fourth Proportional to 17,120,399.57, 23,627,646.10 and 9,386,936.57

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Solution

The fourth proportional to 17,120,399.57, 23,627,646.10 and 9,386,936.57 is: 12,954,791.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120,399.57 : 23,627,646.10 = 9,386,936.57 : x
  2. Step 2: Convert to fraction form
    17,120,399.57/23,627,646.10 = 9,386,936.57/x
  3. Step 3: Cross multiply
    17,120,399.57x = 23,627,646.10 × 9,386,936.57
  4. Step 4: Simplify right side
    17,120,399.57x = 221,791,215,267,908.81
  5. Step 5: Solve for x
    x = 221,791,215,267,908.81/17,120,399.57
  6. Step 6: Final answer
    x = 12,954,791.99

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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.