Home / 13,689,416.44-20,554,310.40-7,635,975.40

Finding the Fourth Proportional to 13,689,416.44, 20,554,310.40 and 7,635,975.40

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Solution

The fourth proportional to 13,689,416.44, 20,554,310.40 and 7,635,975.40 is: 11,465,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,416.44 : 20,554,310.40 = 7,635,975.40 : x
  2. Step 2: Convert to fraction form
    13,689,416.44/20,554,310.40 = 7,635,975.40/x
  3. Step 3: Cross multiply
    13,689,416.44x = 20,554,310.40 × 7,635,975.40
  4. Step 4: Simplify right side
    13,689,416.44x = 156,952,208,578,364.16
  5. Step 5: Solve for x
    x = 156,952,208,578,364.16/13,689,416.44
  6. Step 6: Final answer
    x = 11,465,222.73

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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.