Home / 10,165,620.13-14,028,654.19-5,582,039.92

Finding the Fourth Proportional to 10,165,620.13, 14,028,654.19 and 5,582,039.92

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Solution

The fourth proportional to 10,165,620.13, 14,028,654.19 and 5,582,039.92 is: 7,703,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165,620.13 : 14,028,654.19 = 5,582,039.92 : x
  2. Step 2: Convert to fraction form
    10,165,620.13/14,028,654.19 = 5,582,039.92/x
  3. Step 3: Cross multiply
    10,165,620.13x = 14,028,654.19 × 5,582,039.92
  4. Step 4: Simplify right side
    10,165,620.13x = 78,308,507,712,455.27
  5. Step 5: Solve for x
    x = 78,308,507,712,455.27/10,165,620.13
  6. Step 6: Final answer
    x = 7,703,269.13

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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.