Home / 11,853,042.40-17,779,563.60-8,026,667.20

Finding the Fourth Proportional to 11,853,042.40, 17,779,563.60 and 8,026,667.20

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Solution

The fourth proportional to 11,853,042.40, 17,779,563.60 and 8,026,667.20 is: 12,040,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853,042.40 : 17,779,563.60 = 8,026,667.20 : x
  2. Step 2: Convert to fraction form
    11,853,042.40/17,779,563.60 = 8,026,667.20/x
  3. Step 3: Cross multiply
    11,853,042.40x = 17,779,563.60 × 8,026,667.20
  4. Step 4: Simplify right side
    11,853,042.40x = 142,710,639,978,433.94
  5. Step 5: Solve for x
    x = 142,710,639,978,433.94/11,853,042.40
  6. Step 6: Final answer
    x = 12,040,000.80

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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.