Home / 21,589,661.70-29,774,439.81-17,912,754.18

Finding the Fourth Proportional to 21,589,661.70, 29,774,439.81 and 17,912,754.18

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Solution

The fourth proportional to 21,589,661.70, 29,774,439.81 and 17,912,754.18 is: 24,703,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589,661.70 : 29,774,439.81 = 17,912,754.18 : x
  2. Step 2: Convert to fraction form
    21,589,661.70/29,774,439.81 = 17,912,754.18/x
  3. Step 3: Cross multiply
    21,589,661.70x = 29,774,439.81 × 17,912,754.18
  4. Step 4: Simplify right side
    21,589,661.70x = 533,342,221,163,735.88
  5. Step 5: Solve for x
    x = 533,342,221,163,735.88/21,589,661.70
  6. Step 6: Final answer
    x = 24,703,593.26

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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.