Home / 20,412,491.47-30,578,643.57-13,474,833.42

Finding the Fourth Proportional to 20,412,491.47, 30,578,643.57 and 13,474,833.42

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Solution

The fourth proportional to 20,412,491.47, 30,578,643.57 and 13,474,833.42 is: 20,185,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,491.47 : 30,578,643.57 = 13,474,833.42 : x
  2. Step 2: Convert to fraction form
    20,412,491.47/30,578,643.57 = 13,474,833.42/x
  3. Step 3: Cross multiply
    20,412,491.47x = 30,578,643.57 × 13,474,833.42
  4. Step 4: Simplify right side
    20,412,491.47x = 412,042,128,232,717.31
  5. Step 5: Solve for x
    x = 412,042,128,232,717.31/20,412,491.47
  6. Step 6: Final answer
    x = 20,185,783.24

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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.