Home / 9,874,365.50-13,621,137.10-5,743,931.96

Finding the Fourth Proportional to 9,874,365.50, 13,621,137.10 and 5,743,931.96

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Solution

The fourth proportional to 9,874,365.50, 13,621,137.10 and 5,743,931.96 is: 7,923,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874,365.50 : 13,621,137.10 = 5,743,931.96 : x
  2. Step 2: Convert to fraction form
    9,874,365.50/13,621,137.10 = 5,743,931.96/x
  3. Step 3: Cross multiply
    9,874,365.50x = 13,621,137.10 × 5,743,931.96
  4. Step 4: Simplify right side
    9,874,365.50x = 78,238,884,720,231.72
  5. Step 5: Solve for x
    x = 78,238,884,720,231.72/9,874,365.50
  6. Step 6: Final answer
    x = 7,923,434.14

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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.