Home / 15,583,126.86-21,504,302.49-8,707,665.42

Finding the Fourth Proportional to 15,583,126.86, 21,504,302.49 and 8,707,665.42

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Solution

The fourth proportional to 15,583,126.86, 21,504,302.49 and 8,707,665.42 is: 12,016,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,126.86 : 21,504,302.49 = 8,707,665.42 : x
  2. Step 2: Convert to fraction form
    15,583,126.86/21,504,302.49 = 8,707,665.42/x
  3. Step 3: Cross multiply
    15,583,126.86x = 21,504,302.49 × 8,707,665.42
  4. Step 4: Simplify right side
    15,583,126.86x = 187,252,271,173,392.88
  5. Step 5: Solve for x
    x = 187,252,271,173,392.88/15,583,126.86
  6. Step 6: Final answer
    x = 12,016,347.74

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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.