Home / 19,783,909.74-27,303,310.05-12,448,031.04

Finding the Fourth Proportional to 19,783,909.74, 27,303,310.05 and 12,448,031.04

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Solution

The fourth proportional to 19,783,909.74, 27,303,310.05 and 12,448,031.04 is: 17,179,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783,909.74 : 27,303,310.05 = 12,448,031.04 : x
  2. Step 2: Convert to fraction form
    19,783,909.74/27,303,310.05 = 12,448,031.04/x
  3. Step 3: Cross multiply
    19,783,909.74x = 27,303,310.05 × 12,448,031.04
  4. Step 4: Simplify right side
    19,783,909.74x = 339,872,450,997,143.94
  5. Step 5: Solve for x
    x = 339,872,450,997,143.94/19,783,909.74
  6. Step 6: Final answer
    x = 17,179,235.83

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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.