Home / 15,583,389.70-21,504,664.89-8,707,928.26

Finding the Fourth Proportional to 15,583,389.70, 21,504,664.89 and 8,707,928.26

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Solution

The fourth proportional to 15,583,389.70, 21,504,664.89 and 8,707,928.26 is: 12,016,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,389.70 : 21,504,664.89 = 8,707,928.26 : x
  2. Step 2: Convert to fraction form
    15,583,389.70/21,504,664.89 = 8,707,928.26/x
  3. Step 3: Cross multiply
    15,583,389.70x = 21,504,664.89 × 8,707,928.26
  4. Step 4: Simplify right side
    15,583,389.70x = 187,261,079,117,460.78
  5. Step 5: Solve for x
    x = 187,261,079,117,460.78/15,583,389.70
  6. Step 6: Final answer
    x = 12,016,710.27

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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.