Home / 19,414,391.51-29,121,628.71-7,891,726.39

Finding the Fourth Proportional to 19,414,391.51, 29,121,628.71 and 7,891,726.39

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Solution

The fourth proportional to 19,414,391.51, 29,121,628.71 and 7,891,726.39 is: 11,837,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414,391.51 : 29,121,628.71 = 7,891,726.39 : x
  2. Step 2: Convert to fraction form
    19,414,391.51/29,121,628.71 = 7,891,726.39/x
  3. Step 3: Cross multiply
    19,414,391.51x = 29,121,628.71 × 7,891,726.39
  4. Step 4: Simplify right side
    19,414,391.51x = 229,819,925,664,880.50
  5. Step 5: Solve for x
    x = 229,819,925,664,880.50/19,414,391.51
  6. Step 6: Final answer
    x = 11,837,606.42

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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.