Home / 19,414,389.51-29,121,625.71-7,891,724.39

Finding the Fourth Proportional to 19,414,389.51, 29,121,625.71 and 7,891,724.39

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Solution

The fourth proportional to 19,414,389.51, 29,121,625.71 and 7,891,724.39 is: 11,837,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414,389.51 : 29,121,625.71 = 7,891,724.39 : x
  2. Step 2: Convert to fraction form
    19,414,389.51/29,121,625.71 = 7,891,724.39/x
  3. Step 3: Cross multiply
    19,414,389.51x = 29,121,625.71 × 7,891,724.39
  4. Step 4: Simplify right side
    19,414,389.51x = 229,819,843,746,449.94
  5. Step 5: Solve for x
    x = 229,819,843,746,449.94/19,414,389.51
  6. Step 6: Final answer
    x = 11,837,603.42

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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.