Home / 20,263,152.78-27,962,817.02-10,970,648.56

Finding the Fourth Proportional to 20,263,152.78, 27,962,817.02 and 10,970,648.56

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Solution

The fourth proportional to 20,263,152.78, 27,962,817.02 and 10,970,648.56 is: 15,139,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,152.78 : 27,962,817.02 = 10,970,648.56 : x
  2. Step 2: Convert to fraction form
    20,263,152.78/27,962,817.02 = 10,970,648.56/x
  3. Step 3: Cross multiply
    20,263,152.78x = 27,962,817.02 × 10,970,648.56
  4. Step 4: Simplify right side
    20,263,152.78x = 306,770,238,295,246.69
  5. Step 5: Solve for x
    x = 306,770,238,295,246.69/20,263,152.78
  6. Step 6: Final answer
    x = 15,139,314.28

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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.