Home / 18,352,111.45-27,528,069.97-4,705,231.45

Finding the Fourth Proportional to 18,352,111.45, 27,528,069.97 and 4,705,231.45

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Solution

The fourth proportional to 18,352,111.45, 27,528,069.97 and 4,705,231.45 is: 7,057,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352,111.45 : 27,528,069.97 = 4,705,231.45 : x
  2. Step 2: Convert to fraction form
    18,352,111.45/27,528,069.97 = 4,705,231.45/x
  3. Step 3: Cross multiply
    18,352,111.45x = 27,528,069.97 × 4,705,231.45
  4. Step 4: Simplify right side
    18,352,111.45x = 129,525,940,580,644.56
  5. Step 5: Solve for x
    x = 129,525,940,580,644.56/18,352,111.45
  6. Step 6: Final answer
    x = 7,057,822.25

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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.