Home / 13,732,076.36-18,950,505.71-7,537,702.61

Finding the Fourth Proportional to 13,732,076.36, 18,950,505.71 and 7,537,702.61

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Solution

The fourth proportional to 13,732,076.36, 18,950,505.71 and 7,537,702.61 is: 10,402,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732,076.36 : 18,950,505.71 = 7,537,702.61 : x
  2. Step 2: Convert to fraction form
    13,732,076.36/18,950,505.71 = 7,537,702.61/x
  3. Step 3: Cross multiply
    13,732,076.36x = 18,950,505.71 × 7,537,702.61
  4. Step 4: Simplify right side
    13,732,076.36x = 142,843,276,351,086.91
  5. Step 5: Solve for x
    x = 142,843,276,351,086.91/13,732,076.36
  6. Step 6: Final answer
    x = 10,402,161.52

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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.