Home / 18,683,599.88-28,026,243.60-5,728,805.14

Finding the Fourth Proportional to 18,683,599.88, 28,026,243.60 and 5,728,805.14

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Solution

The fourth proportional to 18,683,599.88, 28,026,243.60 and 5,728,805.14 is: 8,593,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,599.88 : 28,026,243.60 = 5,728,805.14 : x
  2. Step 2: Convert to fraction form
    18,683,599.88/28,026,243.60 = 5,728,805.14/x
  3. Step 3: Cross multiply
    18,683,599.88x = 28,026,243.60 × 5,728,805.14
  4. Step 4: Simplify right side
    18,683,599.88x = 160,556,888,390,572.09
  5. Step 5: Solve for x
    x = 160,556,888,390,572.09/18,683,599.88
  6. Step 6: Final answer
    x = 8,593,466.43

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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.