Home / 7,069,022.25-9,755,379.68-3,929,580.71

Finding the Fourth Proportional to 7,069,022.25, 9,755,379.68 and 3,929,580.71

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Solution

The fourth proportional to 7,069,022.25, 9,755,379.68 and 3,929,580.71 is: 5,422,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,022.25 : 9,755,379.68 = 3,929,580.71 : x
  2. Step 2: Convert to fraction form
    7,069,022.25/9,755,379.68 = 3,929,580.71/x
  3. Step 3: Cross multiply
    7,069,022.25x = 9,755,379.68 × 3,929,580.71
  4. Step 4: Simplify right side
    7,069,022.25x = 38,334,551,740,829.17
  5. Step 5: Solve for x
    x = 38,334,551,740,829.17/7,069,022.25
  6. Step 6: Final answer
    x = 5,422,893.07

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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.