Home / 15,898,172.80-21,942,339.60-9,371,414.56

Finding the Fourth Proportional to 15,898,172.80, 21,942,339.60 and 9,371,414.56

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Solution

The fourth proportional to 15,898,172.80, 21,942,339.60 and 9,371,414.56 is: 12,934,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898,172.80 : 21,942,339.60 = 9,371,414.56 : x
  2. Step 2: Convert to fraction form
    15,898,172.80/21,942,339.60 = 9,371,414.56/x
  3. Step 3: Cross multiply
    15,898,172.80x = 21,942,339.60 × 9,371,414.56
  4. Step 4: Simplify right side
    15,898,172.80x = 205,630,760,807,904.59
  5. Step 5: Solve for x
    x = 205,630,760,807,904.59/15,898,172.80
  6. Step 6: Final answer
    x = 12,934,238.63

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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.