Home / 15,296,730.76-21,110,722.56-8,770,967.38

Finding the Fourth Proportional to 15,296,730.76, 21,110,722.56 and 8,770,967.38

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Solution

The fourth proportional to 15,296,730.76, 21,110,722.56 and 8,770,967.38 is: 12,104,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296,730.76 : 21,110,722.56 = 8,770,967.38 : x
  2. Step 2: Convert to fraction form
    15,296,730.76/21,110,722.56 = 8,770,967.38/x
  3. Step 3: Cross multiply
    15,296,730.76x = 21,110,722.56 × 8,770,967.38
  4. Step 4: Simplify right side
    15,296,730.76x = 185,161,458,941,990.09
  5. Step 5: Solve for x
    x = 185,161,458,941,990.09/15,296,730.76
  6. Step 6: Final answer
    x = 12,104,642.61

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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.