Home / 31,109,660.36-46,666,732.55-11,940,417.41

Finding the Fourth Proportional to 31,109,660.36, 46,666,732.55 and 11,940,417.41

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Solution

The fourth proportional to 31,109,660.36, 46,666,732.55 and 11,940,417.41 is: 17,911,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,660.36 : 46,666,732.55 = 11,940,417.41 : x
  2. Step 2: Convert to fraction form
    31,109,660.36/46,666,732.55 = 11,940,417.41/x
  3. Step 3: Cross multiply
    31,109,660.36x = 46,666,732.55 × 11,940,417.41
  4. Step 4: Simplify right side
    31,109,660.36x = 557,220,265,514,797.94
  5. Step 5: Solve for x
    x = 557,220,265,514,797.94/31,109,660.36
  6. Step 6: Final answer
    x = 17,911,486.63

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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.