Home / 12,477,048.60-18,684,080.10-8,194,027.80

Finding the Fourth Proportional to 12,477,048.60, 18,684,080.10 and 8,194,027.80

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Solution

The fourth proportional to 12,477,048.60, 18,684,080.10 and 8,194,027.80 is: 12,270,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,048.60 : 18,684,080.10 = 8,194,027.80 : x
  2. Step 2: Convert to fraction form
    12,477,048.60/18,684,080.10 = 8,194,027.80/x
  3. Step 3: Cross multiply
    12,477,048.60x = 18,684,080.10 × 8,194,027.80
  4. Step 4: Simplify right side
    12,477,048.60x = 153,097,871,756,826.78
  5. Step 5: Solve for x
    x = 153,097,871,756,826.78/12,477,048.60
  6. Step 6: Final answer
    x = 12,270,359.49

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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.