Home / 13,841,668.55-19,098,732.26-7,729,156.55

Finding the Fourth Proportional to 13,841,668.55, 19,098,732.26 and 7,729,156.55

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Solution

The fourth proportional to 13,841,668.55, 19,098,732.26 and 7,729,156.55 is: 10,664,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841,668.55 : 19,098,732.26 = 7,729,156.55 : x
  2. Step 2: Convert to fraction form
    13,841,668.55/19,098,732.26 = 7,729,156.55/x
  3. Step 3: Cross multiply
    13,841,668.55x = 19,098,732.26 × 7,729,156.55
  4. Step 4: Simplify right side
    13,841,668.55x = 147,617,091,467,904.53
  5. Step 5: Solve for x
    x = 147,617,091,467,904.53/13,841,668.55
  6. Step 6: Final answer
    x = 10,664,689.09

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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.