Home / 8,381,190.78-11,570,228.58-5,485,005.41

Finding the Fourth Proportional to 8,381,190.78, 11,570,228.58 and 5,485,005.41

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Solution

The fourth proportional to 8,381,190.78, 11,570,228.58 and 5,485,005.41 is: 7,572,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,190.78 : 11,570,228.58 = 5,485,005.41 : x
  2. Step 2: Convert to fraction form
    8,381,190.78/11,570,228.58 = 5,485,005.41/x
  3. Step 3: Cross multiply
    8,381,190.78x = 11,570,228.58 × 5,485,005.41
  4. Step 4: Simplify right side
    8,381,190.78x = 63,462,766,298,385.48
  5. Step 5: Solve for x
    x = 63,462,766,298,385.48/8,381,190.78
  6. Step 6: Final answer
    x = 7,572,046.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.