Home / 12,830,096.20-19,250,328.30-5,642,998.60

Finding the Fourth Proportional to 12,830,096.20, 19,250,328.30 and 5,642,998.60

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Solution

The fourth proportional to 12,830,096.20, 19,250,328.30 and 5,642,998.60 is: 8,466,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,096.20 : 19,250,328.30 = 5,642,998.60 : x
  2. Step 2: Convert to fraction form
    12,830,096.20/19,250,328.30 = 5,642,998.60/x
  3. Step 3: Cross multiply
    12,830,096.20x = 19,250,328.30 × 5,642,998.60
  4. Step 4: Simplify right side
    12,830,096.20x = 108,629,575,646,440.38
  5. Step 5: Solve for x
    x = 108,629,575,646,440.38/12,830,096.20
  6. Step 6: Final answer
    x = 8,466,777.95

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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.