Home / 18,451,852.80-27,677,779.20-12,081,753.60

Finding the Fourth Proportional to 18,451,852.80, 27,677,779.20 and 12,081,753.60

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Solution

The fourth proportional to 18,451,852.80, 27,677,779.20 and 12,081,753.60 is: 18,122,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,852.80 : 27,677,779.20 = 12,081,753.60 : x
  2. Step 2: Convert to fraction form
    18,451,852.80/27,677,779.20 = 12,081,753.60/x
  3. Step 3: Cross multiply
    18,451,852.80x = 27,677,779.20 × 12,081,753.60
  4. Step 4: Simplify right side
    18,451,852.80x = 334,396,108,489,605.12
  5. Step 5: Solve for x
    x = 334,396,108,489,605.12/18,451,852.80
  6. Step 6: Final answer
    x = 18,122,630.40

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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.