Home / 19,928,908.20-29,893,362.30-5,554,194.60

Finding the Fourth Proportional to 19,928,908.20, 29,893,362.30 and 5,554,194.60

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Solution

The fourth proportional to 19,928,908.20, 29,893,362.30 and 5,554,194.60 is: 8,331,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,908.20 : 29,893,362.30 = 5,554,194.60 : x
  2. Step 2: Convert to fraction form
    19,928,908.20/29,893,362.30 = 5,554,194.60/x
  3. Step 3: Cross multiply
    19,928,908.20x = 29,893,362.30 × 5,554,194.60
  4. Step 4: Simplify right side
    19,928,908.20x = 166,033,551,462,503.56
  5. Step 5: Solve for x
    x = 166,033,551,462,503.56/19,928,908.20
  6. Step 6: Final answer
    x = 8,331,291.90

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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.