Home / 12,817,403.34-19,212,818.76-8,014,062.48

Finding the Fourth Proportional to 12,817,403.34, 19,212,818.76 and 8,014,062.48

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Solution

The fourth proportional to 12,817,403.34, 19,212,818.76 and 8,014,062.48 is: 12,012,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,403.34 : 19,212,818.76 = 8,014,062.48 : x
  2. Step 2: Convert to fraction form
    12,817,403.34/19,212,818.76 = 8,014,062.48/x
  3. Step 3: Cross multiply
    12,817,403.34x = 19,212,818.76 × 8,014,062.48
  4. Step 4: Simplify right side
    12,817,403.34x = 153,972,729,959,556.16
  5. Step 5: Solve for x
    x = 153,972,729,959,556.16/12,817,403.34
  6. Step 6: Final answer
    x = 12,012,786.51

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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.