Home / 20,736,092.90-31,104,139.36-19,475,344.10

Finding the Fourth Proportional to 20,736,092.90, 31,104,139.36 and 19,475,344.10

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Solution

The fourth proportional to 20,736,092.90, 31,104,139.36 and 19,475,344.10 is: 29,213,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,092.90 : 31,104,139.36 = 19,475,344.10 : x
  2. Step 2: Convert to fraction form
    20,736,092.90/31,104,139.36 = 19,475,344.10/x
  3. Step 3: Cross multiply
    20,736,092.90x = 31,104,139.36 × 19,475,344.10
  4. Step 4: Simplify right side
    20,736,092.90x = 605,763,816,970,353.75
  5. Step 5: Solve for x
    x = 605,763,816,970,353.75/20,736,092.90
  6. Step 6: Final answer
    x = 29,213,016.16

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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.