Home / 8,240,903.15-12,365,783.40-3,449,076.80

Finding the Fourth Proportional to 8,240,903.15, 12,365,783.40 and 3,449,076.80

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Solution

The fourth proportional to 8,240,903.15, 12,365,783.40 and 3,449,076.80 is: 5,175,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,903.15 : 12,365,783.40 = 3,449,076.80 : x
  2. Step 2: Convert to fraction form
    8,240,903.15/12,365,783.40 = 3,449,076.80/x
  3. Step 3: Cross multiply
    8,240,903.15x = 12,365,783.40 × 3,449,076.80
  4. Step 4: Simplify right side
    8,240,903.15x = 42,650,536,638,765.12
  5. Step 5: Solve for x
    x = 42,650,536,638,765.12/8,240,903.15
  6. Step 6: Final answer
    x = 5,175,468.74

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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.