Home / 15,800,467.88-21,804,645.69-8,557,123.88

Finding the Fourth Proportional to 15,800,467.88, 21,804,645.69 and 8,557,123.88

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Solution

The fourth proportional to 15,800,467.88, 21,804,645.69 and 8,557,123.88 is: 11,808,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,467.88 : 21,804,645.69 = 8,557,123.88 : x
  2. Step 2: Convert to fraction form
    15,800,467.88/21,804,645.69 = 8,557,123.88/x
  3. Step 3: Cross multiply
    15,800,467.88x = 21,804,645.69 × 8,557,123.88
  4. Step 4: Simplify right side
    15,800,467.88x = 186,585,054,219,814.88
  5. Step 5: Solve for x
    x = 186,585,054,219,814.88/15,800,467.88
  6. Step 6: Final answer
    x = 11,808,830.96

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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.