Home / 20,959,924.14-31,439,886.21-5,813,855.64

Finding the Fourth Proportional to 20,959,924.14, 31,439,886.21 and 5,813,855.64

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Solution

The fourth proportional to 20,959,924.14, 31,439,886.21 and 5,813,855.64 is: 8,720,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,924.14 : 31,439,886.21 = 5,813,855.64 : x
  2. Step 2: Convert to fraction form
    20,959,924.14/31,439,886.21 = 5,813,855.64/x
  3. Step 3: Cross multiply
    20,959,924.14x = 31,439,886.21 × 5,813,855.64
  4. Step 4: Simplify right side
    20,959,924.14x = 182,786,959,762,966.72
  5. Step 5: Solve for x
    x = 182,786,959,762,966.72/20,959,924.14
  6. Step 6: Final answer
    x = 8,720,783.46

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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.