Home / 7,861,356.79-11,788,022.07-3,597,869.56

Finding the Fourth Proportional to 7,861,356.79, 11,788,022.07 and 3,597,869.56

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Solution

The fourth proportional to 7,861,356.79, 11,788,022.07 and 3,597,869.56 is: 5,394,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861,356.79 : 11,788,022.07 = 3,597,869.56 : x
  2. Step 2: Convert to fraction form
    7,861,356.79/11,788,022.07 = 3,597,869.56/x
  3. Step 3: Cross multiply
    7,861,356.79x = 11,788,022.07 × 3,597,869.56
  4. Step 4: Simplify right side
    7,861,356.79x = 42,411,765,778,261.19
  5. Step 5: Solve for x
    x = 42,411,765,778,261.19/7,861,356.79
  6. Step 6: Final answer
    x = 5,394,967.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.