Home / 9,869,219.76-13,622,419.44-5,740,222.08

Finding the Fourth Proportional to 9,869,219.76, 13,622,419.44 and 5,740,222.08

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Solution

The fourth proportional to 9,869,219.76, 13,622,419.44 and 5,740,222.08 is: 7,923,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,219.76 : 13,622,419.44 = 5,740,222.08 : x
  2. Step 2: Convert to fraction form
    9,869,219.76/13,622,419.44 = 5,740,222.08/x
  3. Step 3: Cross multiply
    9,869,219.76x = 13,622,419.44 × 5,740,222.08
  4. Step 4: Simplify right side
    9,869,219.76x = 78,195,712,852,509.23
  5. Step 5: Solve for x
    x = 78,195,712,852,509.23/9,869,219.76
  6. Step 6: Final answer
    x = 7,923,190.97

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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.