Home / 12,932,816.78-19,400,725.96-4,297,687.86

Finding the Fourth Proportional to 12,932,816.78, 19,400,725.96 and 4,297,687.86

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Solution

The fourth proportional to 12,932,816.78, 19,400,725.96 and 4,297,687.86 is: 6,447,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932,816.78 : 19,400,725.96 = 4,297,687.86 : x
  2. Step 2: Convert to fraction form
    12,932,816.78/19,400,725.96 = 4,297,687.86/x
  3. Step 3: Cross multiply
    12,932,816.78x = 19,400,725.96 × 4,297,687.86
  4. Step 4: Simplify right side
    12,932,816.78x = 83,378,264,433,478.86
  5. Step 5: Solve for x
    x = 83,378,264,433,478.86/12,932,816.78
  6. Step 6: Final answer
    x = 6,447,030.52

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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.