Home / 12,393,795.30-17,103,615.39-6,812,558.75

Finding the Fourth Proportional to 12,393,795.30, 17,103,615.39 and 6,812,558.75

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Solution

The fourth proportional to 12,393,795.30, 17,103,615.39 and 6,812,558.75 is: 9,401,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,795.30 : 17,103,615.39 = 6,812,558.75 : x
  2. Step 2: Convert to fraction form
    12,393,795.30/17,103,615.39 = 6,812,558.75/x
  3. Step 3: Cross multiply
    12,393,795.30x = 17,103,615.39 × 6,812,558.75
  4. Step 4: Simplify right side
    12,393,795.30x = 116,519,384,596,261.09
  5. Step 5: Solve for x
    x = 116,519,384,596,261.09/12,393,795.30
  6. Step 6: Final answer
    x = 9,401,428.84

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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.