Home / 14,042,207.30-21,027,881.55-11,207,855.30

Finding the Fourth Proportional to 14,042,207.30, 21,027,881.55 and 11,207,855.30

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Solution

The fourth proportional to 14,042,207.30, 21,027,881.55 and 11,207,855.30 is: 16,783,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042,207.30 : 21,027,881.55 = 11,207,855.30 : x
  2. Step 2: Convert to fraction form
    14,042,207.30/21,027,881.55 = 11,207,855.30/x
  3. Step 3: Cross multiply
    14,042,207.30x = 21,027,881.55 × 11,207,855.30
  4. Step 4: Simplify right side
    14,042,207.30x = 235,677,453,677,939.75
  5. Step 5: Solve for x
    x = 235,677,453,677,939.75/14,042,207.30
  6. Step 6: Final answer
    x = 16,783,504.80

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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.