Home / 13,696,939.14-18,901,102.46-7,502,012.88

Finding the Fourth Proportional to 13,696,939.14, 18,901,102.46 and 7,502,012.88

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Solution

The fourth proportional to 13,696,939.14, 18,901,102.46 and 7,502,012.88 is: 10,352,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,939.14 : 18,901,102.46 = 7,502,012.88 : x
  2. Step 2: Convert to fraction form
    13,696,939.14/18,901,102.46 = 7,502,012.88/x
  3. Step 3: Cross multiply
    13,696,939.14x = 18,901,102.46 × 7,502,012.88
  4. Step 4: Simplify right side
    13,696,939.14x = 141,796,314,063,609.59
  5. Step 5: Solve for x
    x = 141,796,314,063,609.59/13,696,939.14
  6. Step 6: Final answer
    x = 10,352,408.86

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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.