Home / 29,212,644-43,790,490.45-12,178,188.48

Finding the Fourth Proportional to 29,212,644, 43,790,490.45 and 12,178,188.48

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Solution

The fourth proportional to 29,212,644, 43,790,490.45 and 12,178,188.48 is: 18,255,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212,644 : 43,790,490.45 = 12,178,188.48 : x
  2. Step 2: Convert to fraction form
    29,212,644/43,790,490.45 = 12,178,188.48/x
  3. Step 3: Cross multiply
    29,212,644x = 43,790,490.45 × 12,178,188.48
  4. Step 4: Simplify right side
    29,212,644x = 533,288,846,331,740.06
  5. Step 5: Solve for x
    x = 533,288,846,331,740.06/29,212,644
  6. Step 6: Final answer
    x = 18,255,411.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.