Home / 17,220,638.25-23,764,480.79-9,485,656.65

Finding the Fourth Proportional to 17,220,638.25, 23,764,480.79 and 9,485,656.65

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Solution

The fourth proportional to 17,220,638.25, 23,764,480.79 and 9,485,656.65 is: 13,090,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220,638.25 : 23,764,480.79 = 9,485,656.65 : x
  2. Step 2: Convert to fraction form
    17,220,638.25/23,764,480.79 = 9,485,656.65/x
  3. Step 3: Cross multiply
    17,220,638.25x = 23,764,480.79 × 9,485,656.65
  4. Step 4: Simplify right side
    17,220,638.25x = 225,421,705,192,032.47
  5. Step 5: Solve for x
    x = 225,421,705,192,032.47/17,220,638.25
  6. Step 6: Final answer
    x = 13,090,206.18

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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.