Home / 15,113,323.74-20,856,392.38-8,586,961.77

Finding the Fourth Proportional to 15,113,323.74, 20,856,392.38 and 8,586,961.77

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Solution

The fourth proportional to 15,113,323.74, 20,856,392.38 and 8,586,961.77 is: 11,850,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,323.74 : 20,856,392.38 = 8,586,961.77 : x
  2. Step 2: Convert to fraction form
    15,113,323.74/20,856,392.38 = 8,586,961.77/x
  3. Step 3: Cross multiply
    15,113,323.74x = 20,856,392.38 × 8,586,961.77
  4. Step 4: Simplify right side
    15,113,323.74x = 179,093,044,067,822.81
  5. Step 5: Solve for x
    x = 179,093,044,067,822.81/15,113,323.74
  6. Step 6: Final answer
    x = 11,850,010.43

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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.