Home / 28,748,412.06-39,672,601.26-15,695,670.86

Finding the Fourth Proportional to 28,748,412.06, 39,672,601.26 and 15,695,670.86

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Solution

The fourth proportional to 28,748,412.06, 39,672,601.26 and 15,695,670.86 is: 21,659,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748,412.06 : 39,672,601.26 = 15,695,670.86 : x
  2. Step 2: Convert to fraction form
    28,748,412.06/39,672,601.26 = 15,695,670.86/x
  3. Step 3: Cross multiply
    28,748,412.06x = 39,672,601.26 × 15,695,670.86
  4. Step 4: Simplify right side
    28,748,412.06x = 622,688,091,338,618.25
  5. Step 5: Solve for x
    x = 622,688,091,338,618.25/28,748,412.06
  6. Step 6: Final answer
    x = 21,659,912.56

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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.