Home / 7,867,530.82-10,778,555.67-7,572,657.94

Finding the Fourth Proportional to 7,867,530.82, 10,778,555.67 and 7,572,657.94

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Solution

The fourth proportional to 7,867,530.82, 10,778,555.67 and 7,572,657.94 is: 10,374,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,530.82 : 10,778,555.67 = 7,572,657.94 : x
  2. Step 2: Convert to fraction form
    7,867,530.82/10,778,555.67 = 7,572,657.94/x
  3. Step 3: Cross multiply
    7,867,530.82x = 10,778,555.67 × 7,572,657.94
  4. Step 4: Simplify right side
    7,867,530.82x = 81,622,315,120,813.66
  5. Step 5: Solve for x
    x = 81,622,315,120,813.66/7,867,530.82
  6. Step 6: Final answer
    x = 10,374,578.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.