Home / 15,188,817.59-20,960,567.62-8,219,495.35

Finding the Fourth Proportional to 15,188,817.59, 20,960,567.62 and 8,219,495.35

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Solution

The fourth proportional to 15,188,817.59, 20,960,567.62 and 8,219,495.35 is: 11,342,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188,817.59 : 20,960,567.62 = 8,219,495.35 : x
  2. Step 2: Convert to fraction form
    15,188,817.59/20,960,567.62 = 8,219,495.35/x
  3. Step 3: Cross multiply
    15,188,817.59x = 20,960,567.62 × 8,219,495.35
  4. Step 4: Simplify right side
    15,188,817.59x = 172,285,288,013,000.41
  5. Step 5: Solve for x
    x = 172,285,288,013,000.41/15,188,817.59
  6. Step 6: Final answer
    x = 11,342,903.23

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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.