Home / 28,571,433.30-42,858,038.74-13,594,709.68

Finding the Fourth Proportional to 28,571,433.30, 42,858,038.74 and 13,594,709.68

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Solution

The fourth proportional to 28,571,433.30, 42,858,038.74 and 13,594,709.68 is: 20,392,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571,433.30 : 42,858,038.74 = 13,594,709.68 : x
  2. Step 2: Convert to fraction form
    28,571,433.30/42,858,038.74 = 13,594,709.68/x
  3. Step 3: Cross multiply
    28,571,433.30x = 42,858,038.74 × 13,594,709.68
  4. Step 4: Simplify right side
    28,571,433.30x = 582,642,594,124,493
  5. Step 5: Solve for x
    x = 582,642,594,124,493/28,571,433.30
  6. Step 6: Final answer
    x = 20,392,487.42

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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.