Home / 12,604,967.20-18,907,450.80-12,325,031.20

Finding the Fourth Proportional to 12,604,967.20, 18,907,450.80 and 12,325,031.20

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Solution

The fourth proportional to 12,604,967.20, 18,907,450.80 and 12,325,031.20 is: 18,487,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604,967.20 : 18,907,450.80 = 12,325,031.20 : x
  2. Step 2: Convert to fraction form
    12,604,967.20/18,907,450.80 = 12,325,031.20/x
  3. Step 3: Cross multiply
    12,604,967.20x = 18,907,450.80 × 12,325,031.20
  4. Step 4: Simplify right side
    12,604,967.20x = 233,034,921,022,464.97
  5. Step 5: Solve for x
    x = 233,034,921,022,464.97/12,604,967.20
  6. Step 6: Final answer
    x = 18,487,546.80

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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.