Home / 7,169,697.90-9,894,058.07-3,906,539.60

Finding the Fourth Proportional to 7,169,697.90, 9,894,058.07 and 3,906,539.60

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Solution

The fourth proportional to 7,169,697.90, 9,894,058.07 and 3,906,539.60 is: 5,390,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,697.90 : 9,894,058.07 = 3,906,539.60 : x
  2. Step 2: Convert to fraction form
    7,169,697.90/9,894,058.07 = 3,906,539.60/x
  3. Step 3: Cross multiply
    7,169,697.90x = 9,894,058.07 × 3,906,539.60
  4. Step 4: Simplify right side
    7,169,697.90x = 38,651,529,586,151.59
  5. Step 5: Solve for x
    x = 38,651,529,586,151.59/7,169,697.90
  6. Step 6: Final answer
    x = 5,390,956.51

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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.