Home / 15,669,184.32-21,623,634.72-8,699,976

Finding the Fourth Proportional to 15,669,184.32, 21,623,634.72 and 8,699,976

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Solution

The fourth proportional to 15,669,184.32, 21,623,634.72 and 8,699,976 is: 12,006,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669,184.32 : 21,623,634.72 = 8,699,976 : x
  2. Step 2: Convert to fraction form
    15,669,184.32/21,623,634.72 = 8,699,976/x
  3. Step 3: Cross multiply
    15,669,184.32x = 21,623,634.72 × 8,699,976
  4. Step 4: Simplify right side
    15,669,184.32x = 188,125,103,096,766.72
  5. Step 5: Solve for x
    x = 188,125,103,096,766.72/15,669,184.32
  6. Step 6: Final answer
    x = 12,006,055.92

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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.