Home / 27,011,083-37,278,844.34-15,405,986.20

Finding the Fourth Proportional to 27,011,083, 37,278,844.34 and 15,405,986.20

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Solution

The fourth proportional to 27,011,083, 37,278,844.34 and 15,405,986.20 is: 21,262,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011,083 : 37,278,844.34 = 15,405,986.20 : x
  2. Step 2: Convert to fraction form
    27,011,083/37,278,844.34 = 15,405,986.20/x
  3. Step 3: Cross multiply
    27,011,083x = 37,278,844.34 × 15,405,986.20
  4. Step 4: Simplify right side
    27,011,083x = 574,317,361,453,988.12
  5. Step 5: Solve for x
    x = 574,317,361,453,988.12/27,011,083
  6. Step 6: Final answer
    x = 21,262,285.61

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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.