Home / 13,541,682.64-18,687,865.88-7,430,109.52

Finding the Fourth Proportional to 13,541,682.64, 18,687,865.88 and 7,430,109.52

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Solution

The fourth proportional to 13,541,682.64, 18,687,865.88 and 7,430,109.52 is: 10,253,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,682.64 : 18,687,865.88 = 7,430,109.52 : x
  2. Step 2: Convert to fraction form
    13,541,682.64/18,687,865.88 = 7,430,109.52/x
  3. Step 3: Cross multiply
    13,541,682.64x = 18,687,865.88 × 7,430,109.52
  4. Step 4: Simplify right side
    13,541,682.64x = 138,852,890,183,471.16
  5. Step 5: Solve for x
    x = 138,852,890,183,471.16/13,541,682.64
  6. Step 6: Final answer
    x = 10,253,739.80

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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.