Home / 10,165,555-14,028,564.32-5,581,974.79

Finding the Fourth Proportional to 10,165,555, 14,028,564.32 and 5,581,974.79

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Solution

The fourth proportional to 10,165,555, 14,028,564.32 and 5,581,974.79 is: 7,703,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165,555 : 14,028,564.32 = 5,581,974.79 : x
  2. Step 2: Convert to fraction form
    10,165,555/14,028,564.32 = 5,581,974.79/x
  3. Step 3: Cross multiply
    10,165,555x = 14,028,564.32 × 5,581,974.79
  4. Step 4: Simplify right side
    10,165,555x = 78,307,092,374,133.50
  5. Step 5: Solve for x
    x = 78,307,092,374,133.50/10,165,555
  6. Step 6: Final answer
    x = 7,703,179.25

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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.