Home / 21,331,332.45-29,438,072.46-12,039,223.94

Finding the Fourth Proportional to 21,331,332.45, 29,438,072.46 and 12,039,223.94

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Solution

The fourth proportional to 21,331,332.45, 29,438,072.46 and 12,039,223.94 is: 16,614,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,332.45 : 29,438,072.46 = 12,039,223.94 : x
  2. Step 2: Convert to fraction form
    21,331,332.45/29,438,072.46 = 12,039,223.94/x
  3. Step 3: Cross multiply
    21,331,332.45x = 29,438,072.46 × 12,039,223.94
  4. Step 4: Simplify right side
    21,331,332.45x = 354,411,546,605,843.44
  5. Step 5: Solve for x
    x = 354,411,546,605,843.44/21,331,332.45
  6. Step 6: Final answer
    x = 16,614,599.55

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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.