Home / 30,505,864.91-42,087,851.28-17,273,233.71

Finding the Fourth Proportional to 30,505,864.91, 42,087,851.28 and 17,273,233.71

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Solution

The fourth proportional to 30,505,864.91, 42,087,851.28 and 17,273,233.71 is: 23,831,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,864.91 : 42,087,851.28 = 17,273,233.71 : x
  2. Step 2: Convert to fraction form
    30,505,864.91/42,087,851.28 = 17,273,233.71/x
  3. Step 3: Cross multiply
    30,505,864.91x = 42,087,851.28 × 17,273,233.71
  4. Step 4: Simplify right side
    30,505,864.91x = 726,993,291,511,162.75
  5. Step 5: Solve for x
    x = 726,993,291,511,162.75/30,505,864.91
  6. Step 6: Final answer
    x = 23,831,263.06

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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.