Home / 28,018,608.37-38,667,412.31-15,459,601.63

Finding the Fourth Proportional to 28,018,608.37, 38,667,412.31 and 15,459,601.63

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Solution

The fourth proportional to 28,018,608.37, 38,667,412.31 and 15,459,601.63 is: 21,335,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,608.37 : 38,667,412.31 = 15,459,601.63 : x
  2. Step 2: Convert to fraction form
    28,018,608.37/38,667,412.31 = 15,459,601.63/x
  3. Step 3: Cross multiply
    28,018,608.37x = 38,667,412.31 × 15,459,601.63
  4. Step 4: Simplify right side
    28,018,608.37x = 597,782,790,375,558.12
  5. Step 5: Solve for x
    x = 597,782,790,375,558.12/28,018,608.37
  6. Step 6: Final answer
    x = 21,335,206.32

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1.5x scale

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.