Home / 12,219,525.09-18,345,306.71-8,194,025.58

Finding the Fourth Proportional to 12,219,525.09, 18,345,306.71 and 8,194,025.58

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Solution

The fourth proportional to 12,219,525.09, 18,345,306.71 and 8,194,025.58 is: 12,301,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,525.09 : 18,345,306.71 = 8,194,025.58 : x
  2. Step 2: Convert to fraction form
    12,219,525.09/18,345,306.71 = 8,194,025.58/x
  3. Step 3: Cross multiply
    12,219,525.09x = 18,345,306.71 × 8,194,025.58
  4. Step 4: Simplify right side
    12,219,525.09x = 150,321,912,413,715.50
  5. Step 5: Solve for x
    x = 150,321,912,413,715.50/12,219,525.09
  6. Step 6: Final answer
    x = 12,301,780.25

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1.5x scale

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.