Home / 21,548,124.45-29,737,042.71-11,759,199.48

Finding the Fourth Proportional to 21,548,124.45, 29,737,042.71 and 11,759,199.48

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Solution

The fourth proportional to 21,548,124.45, 29,737,042.71 and 11,759,199.48 is: 16,228,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,124.45 : 29,737,042.71 = 11,759,199.48 : x
  2. Step 2: Convert to fraction form
    21,548,124.45/29,737,042.71 = 11,759,199.48/x
  3. Step 3: Cross multiply
    21,548,124.45x = 29,737,042.71 × 11,759,199.48
  4. Step 4: Simplify right side
    21,548,124.45x = 349,683,817,172,169.81
  5. Step 5: Solve for x
    x = 349,683,817,172,169.81/21,548,124.45
  6. Step 6: Final answer
    x = 16,228,039.61

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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.