Home / 19,729,647.80-27,227,487.44-10,789,283.60

Finding the Fourth Proportional to 19,729,647.80, 27,227,487.44 and 10,789,283.60

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Solution

The fourth proportional to 19,729,647.80, 27,227,487.44 and 10,789,283.60 is: 14,889,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,647.80 : 27,227,487.44 = 10,789,283.60 : x
  2. Step 2: Convert to fraction form
    19,729,647.80/27,227,487.44 = 10,789,283.60/x
  3. Step 3: Cross multiply
    19,729,647.80x = 27,227,487.44 × 10,789,283.60
  4. Step 4: Simplify right side
    19,729,647.80x = 293,765,083,596,433.75
  5. Step 5: Solve for x
    x = 293,765,083,596,433.75/19,729,647.80
  6. Step 6: Final answer
    x = 14,889,524.98

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1.5x scale

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.