Home / 13,523,938.56-20,279,486.16-7,845,903.36

Finding the Fourth Proportional to 13,523,938.56, 20,279,486.16 and 7,845,903.36

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Solution

The fourth proportional to 13,523,938.56, 20,279,486.16 and 7,845,903.36 is: 11,765,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,938.56 : 20,279,486.16 = 7,845,903.36 : x
  2. Step 2: Convert to fraction form
    13,523,938.56/20,279,486.16 = 7,845,903.36/x
  3. Step 3: Cross multiply
    13,523,938.56x = 20,279,486.16 × 7,845,903.36
  4. Step 4: Simplify right side
    13,523,938.56x = 159,110,888,601,817.50
  5. Step 5: Solve for x
    x = 159,110,888,601,817.50/13,523,938.56
  6. Step 6: Final answer
    x = 11,765,129.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.