Home / 15,289,301.68-21,098,963.43-8,319,741.53

Finding the Fourth Proportional to 15,289,301.68, 21,098,963.43 and 8,319,741.53

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Solution

The fourth proportional to 15,289,301.68, 21,098,963.43 and 8,319,741.53 is: 11,481,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,301.68 : 21,098,963.43 = 8,319,741.53 : x
  2. Step 2: Convert to fraction form
    15,289,301.68/21,098,963.43 = 8,319,741.53/x
  3. Step 3: Cross multiply
    15,289,301.68x = 21,098,963.43 × 8,319,741.53
  4. Step 4: Simplify right side
    15,289,301.68x = 175,537,922,183,027.44
  5. Step 5: Solve for x
    x = 175,537,922,183,027.44/15,289,301.68
  6. Step 6: Final answer
    x = 11,481,094.81

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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.