Home / 21,669,005.34-29,902,579.29-11,879,114.94

Finding the Fourth Proportional to 21,669,005.34, 29,902,579.29 and 11,879,114.94

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Solution

The fourth proportional to 21,669,005.34, 29,902,579.29 and 11,879,114.94 is: 16,392,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,005.34 : 29,902,579.29 = 11,879,114.94 : x
  2. Step 2: Convert to fraction form
    21,669,005.34/29,902,579.29 = 11,879,114.94/x
  3. Step 3: Cross multiply
    21,669,005.34x = 29,902,579.29 × 11,879,114.94
  4. Step 4: Simplify right side
    21,669,005.34x = 355,216,176,388,373.56
  5. Step 5: Solve for x
    x = 355,216,176,388,373.56/21,669,005.34
  6. Step 6: Final answer
    x = 16,392,823.34

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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.