Home / 19,393,047.72-29,098,139.91-10,168,817.55

Finding the Fourth Proportional to 19,393,047.72, 29,098,139.91 and 10,168,817.55

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Solution

The fourth proportional to 19,393,047.72, 29,098,139.91 and 10,168,817.55 is: 15,257,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393,047.72 : 29,098,139.91 = 10,168,817.55 : x
  2. Step 2: Convert to fraction form
    19,393,047.72/29,098,139.91 = 10,168,817.55/x
  3. Step 3: Cross multiply
    19,393,047.72x = 29,098,139.91 × 10,168,817.55
  4. Step 4: Simplify right side
    19,393,047.72x = 295,893,675,789,163.44
  5. Step 5: Solve for x
    x = 295,893,675,789,163.44/19,393,047.72
  6. Step 6: Final answer
    x = 15,257,719.16

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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.