Home / 15,578,895.82-21,498,942.94-8,514,631.76

Finding the Fourth Proportional to 15,578,895.82, 21,498,942.94 and 8,514,631.76

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Solution

The fourth proportional to 15,578,895.82, 21,498,942.94 and 8,514,631.76 is: 11,750,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578,895.82 : 21,498,942.94 = 8,514,631.76 : x
  2. Step 2: Convert to fraction form
    15,578,895.82/21,498,942.94 = 8,514,631.76/x
  3. Step 3: Cross multiply
    15,578,895.82x = 21,498,942.94 × 8,514,631.76
  4. Step 4: Simplify right side
    15,578,895.82x = 183,055,582,324,672.88
  5. Step 5: Solve for x
    x = 183,055,582,324,672.88/15,578,895.82
  6. Step 6: Final answer
    x = 11,750,228.28

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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.