Home / 10,652,728.40-15,969,761.40-6,394,590.80

Finding the Fourth Proportional to 10,652,728.40, 15,969,761.40 and 6,394,590.80

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Solution

The fourth proportional to 10,652,728.40, 15,969,761.40 and 6,394,590.80 is: 9,586,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,728.40 : 15,969,761.40 = 6,394,590.80 : x
  2. Step 2: Convert to fraction form
    10,652,728.40/15,969,761.40 = 6,394,590.80/x
  3. Step 3: Cross multiply
    10,652,728.40x = 15,969,761.40 × 6,394,590.80
  4. Step 4: Simplify right side
    10,652,728.40x = 102,120,089,326,635.12
  5. Step 5: Solve for x
    x = 102,120,089,326,635.12/10,652,728.40
  6. Step 6: Final answer
    x = 9,586,284.89

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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.