Home / 15,063,960.30-20,788,020.27-8,188,615.50

Finding the Fourth Proportional to 15,063,960.30, 20,788,020.27 and 8,188,615.50

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Solution

The fourth proportional to 15,063,960.30, 20,788,020.27 and 8,188,615.50 is: 11,300,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063,960.30 : 20,788,020.27 = 8,188,615.50 : x
  2. Step 2: Convert to fraction form
    15,063,960.30/20,788,020.27 = 8,188,615.50/x
  3. Step 3: Cross multiply
    15,063,960.30x = 20,788,020.27 × 8,188,615.50
  4. Step 4: Simplify right side
    15,063,960.30x = 170,225,104,997,236.19
  5. Step 5: Solve for x
    x = 170,225,104,997,236.19/15,063,960.30
  6. Step 6: Final answer
    x = 11,300,156.24

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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.