Home / 6,648,020.40-9,972,030.60-4,126,522.80

Finding the Fourth Proportional to 6,648,020.40, 9,972,030.60 and 4,126,522.80

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Solution

The fourth proportional to 6,648,020.40, 9,972,030.60 and 4,126,522.80 is: 6,189,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,020.40 : 9,972,030.60 = 4,126,522.80 : x
  2. Step 2: Convert to fraction form
    6,648,020.40/9,972,030.60 = 4,126,522.80/x
  3. Step 3: Cross multiply
    6,648,020.40x = 9,972,030.60 × 4,126,522.80
  4. Step 4: Simplify right side
    6,648,020.40x = 41,149,811,633,197.68
  5. Step 5: Solve for x
    x = 41,149,811,633,197.68/6,648,020.40
  6. Step 6: Final answer
    x = 6,189,784.20

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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.