Home / 28,035,586.76-38,691,051.82-15,648,096.86

Finding the Fourth Proportional to 28,035,586.76, 38,691,051.82 and 15,648,096.86

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Solution

The fourth proportional to 28,035,586.76, 38,691,051.82 and 15,648,096.86 is: 21,595,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035,586.76 : 38,691,051.82 = 15,648,096.86 : x
  2. Step 2: Convert to fraction form
    28,035,586.76/38,691,051.82 = 15,648,096.86/x
  3. Step 3: Cross multiply
    28,035,586.76x = 38,691,051.82 × 15,648,096.86
  4. Step 4: Simplify right side
    28,035,586.76x = 605,441,326,320,334.25
  5. Step 5: Solve for x
    x = 605,441,326,320,334.25/28,035,586.76
  6. Step 6: Final answer
    x = 21,595,457.65

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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.