Home / 13,589,097.98-18,753,731.13-7,788,845.90

Finding the Fourth Proportional to 13,589,097.98, 18,753,731.13 and 7,788,845.90

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Solution

The fourth proportional to 13,589,097.98, 18,753,731.13 and 7,788,845.90 is: 10,749,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,097.98 : 18,753,731.13 = 7,788,845.90 : x
  2. Step 2: Convert to fraction form
    13,589,097.98/18,753,731.13 = 7,788,845.90/x
  3. Step 3: Cross multiply
    13,589,097.98x = 18,753,731.13 × 7,788,845.90
  4. Step 4: Simplify right side
    13,589,097.98x = 146,069,921,821,602.88
  5. Step 5: Solve for x
    x = 146,069,921,821,602.88/13,589,097.98
  6. Step 6: Final answer
    x = 10,749,052.07

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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.