Home / 15,413,815.72-23,026,974.53-9,978,184.36

Finding the Fourth Proportional to 15,413,815.72, 23,026,974.53 and 9,978,184.36

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Solution

The fourth proportional to 15,413,815.72, 23,026,974.53 and 9,978,184.36 is: 14,906,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413,815.72 : 23,026,974.53 = 9,978,184.36 : x
  2. Step 2: Convert to fraction form
    15,413,815.72/23,026,974.53 = 9,978,184.36/x
  3. Step 3: Cross multiply
    15,413,815.72x = 23,026,974.53 × 9,978,184.36
  4. Step 4: Simplify right side
    15,413,815.72x = 229,767,397,113,364.34
  5. Step 5: Solve for x
    x = 229,767,397,113,364.34/15,413,815.72
  6. Step 6: Final answer
    x = 14,906,587.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.