Home / 18,430,330.80-27,698,640.30-16,091,990.40

Finding the Fourth Proportional to 18,430,330.80, 27,698,640.30 and 16,091,990.40

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Solution

The fourth proportional to 18,430,330.80, 27,698,640.30 and 16,091,990.40 is: 24,184,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,330.80 : 27,698,640.30 = 16,091,990.40 : x
  2. Step 2: Convert to fraction form
    18,430,330.80/27,698,640.30 = 16,091,990.40/x
  3. Step 3: Cross multiply
    18,430,330.80x = 27,698,640.30 × 16,091,990.40
  4. Step 4: Simplify right side
    18,430,330.80x = 445,726,253,800,653.12
  5. Step 5: Solve for x
    x = 445,726,253,800,653.12/18,430,330.80
  6. Step 6: Final answer
    x = 24,184,387.06

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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.