Home / 20,934,444.78-31,397,528.07-19,896,294.24

Finding the Fourth Proportional to 20,934,444.78, 31,397,528.07 and 19,896,294.24

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Solution

The fourth proportional to 20,934,444.78, 31,397,528.07 and 19,896,294.24 is: 29,840,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,444.78 : 31,397,528.07 = 19,896,294.24 : x
  2. Step 2: Convert to fraction form
    20,934,444.78/31,397,528.07 = 19,896,294.24/x
  3. Step 3: Cross multiply
    20,934,444.78x = 31,397,528.07 × 19,896,294.24
  4. Step 4: Simplify right side
    20,934,444.78x = 624,694,456,889,379.25
  5. Step 5: Solve for x
    x = 624,694,456,889,379.25/20,934,444.78
  6. Step 6: Final answer
    x = 29,840,507.52

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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.