Home / 12,477,287.60-18,684,438.60-8,194,266.80

Finding the Fourth Proportional to 12,477,287.60, 18,684,438.60 and 8,194,266.80

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Solution

The fourth proportional to 12,477,287.60, 18,684,438.60 and 8,194,266.80 is: 12,270,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,287.60 : 18,684,438.60 = 8,194,266.80 : x
  2. Step 2: Convert to fraction form
    12,477,287.60/18,684,438.60 = 8,194,266.80/x
  3. Step 3: Cross multiply
    12,477,287.60x = 18,684,438.60 × 8,194,266.80
  4. Step 4: Simplify right side
    12,477,287.60x = 153,105,274,896,618.50
  5. Step 5: Solve for x
    x = 153,105,274,896,618.50/12,477,287.60
  6. Step 6: Final answer
    x = 12,270,717.79

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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.