Home / 15,583,297.86-21,504,538.53-8,707,836.42

Finding the Fourth Proportional to 15,583,297.86, 21,504,538.53 and 8,707,836.42

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Solution

The fourth proportional to 15,583,297.86, 21,504,538.53 and 8,707,836.42 is: 12,016,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,297.86 : 21,504,538.53 = 8,707,836.42 : x
  2. Step 2: Convert to fraction form
    15,583,297.86/21,504,538.53 = 8,707,836.42/x
  3. Step 3: Cross multiply
    15,583,297.86x = 21,504,538.53 × 8,707,836.42
  4. Step 4: Simplify right side
    15,583,297.86x = 187,258,003,806,827.28
  5. Step 5: Solve for x
    x = 187,258,003,806,827.28/15,583,297.86
  6. Step 6: Final answer
    x = 12,016,583.75

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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.