Home / 13,531,201.91-18,654,994.63-10,749,554.69

Finding the Fourth Proportional to 13,531,201.91, 18,654,994.63 and 10,749,554.69

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Solution

The fourth proportional to 13,531,201.91, 18,654,994.63 and 10,749,554.69 is: 14,820,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,201.91 : 18,654,994.63 = 10,749,554.69 : x
  2. Step 2: Convert to fraction form
    13,531,201.91/18,654,994.63 = 10,749,554.69/x
  3. Step 3: Cross multiply
    13,531,201.91x = 18,654,994.63 × 10,749,554.69
  4. Step 4: Simplify right side
    13,531,201.91x = 200,532,884,876,537.03
  5. Step 5: Solve for x
    x = 200,532,884,876,537.03/13,531,201.91
  6. Step 6: Final answer
    x = 14,820,034.93

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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.