Home / 11,853,020.40-17,779,530.60-8,199,855.60

Finding the Fourth Proportional to 11,853,020.40, 17,779,530.60 and 8,199,855.60

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Solution

The fourth proportional to 11,853,020.40, 17,779,530.60 and 8,199,855.60 is: 12,299,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853,020.40 : 17,779,530.60 = 8,199,855.60 : x
  2. Step 2: Convert to fraction form
    11,853,020.40/17,779,530.60 = 8,199,855.60/x
  3. Step 3: Cross multiply
    11,853,020.40x = 17,779,530.60 × 8,199,855.60
  4. Step 4: Simplify right side
    11,853,020.40x = 145,789,583,555,781.38
  5. Step 5: Solve for x
    x = 145,789,583,555,781.38/11,853,020.40
  6. Step 6: Final answer
    x = 12,299,783.40

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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.