Home / 12,477,533.60-18,684,807.60-8,194,512.80

Finding the Fourth Proportional to 12,477,533.60, 18,684,807.60 and 8,194,512.80

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Solution

The fourth proportional to 12,477,533.60, 18,684,807.60 and 8,194,512.80 is: 12,271,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,533.60 : 18,684,807.60 = 8,194,512.80 : x
  2. Step 2: Convert to fraction form
    12,477,533.60/18,684,807.60 = 8,194,512.80/x
  3. Step 3: Cross multiply
    12,477,533.60x = 18,684,807.60 × 8,194,512.80
  4. Step 4: Simplify right side
    12,477,533.60x = 153,112,895,043,737.28
  5. Step 5: Solve for x
    x = 153,112,895,043,737.28/12,477,533.60
  6. Step 6: Final answer
    x = 12,271,086.57

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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.