Home / 8,289,213.40-12,430,133.70-3,802,864.60

Finding the Fourth Proportional to 8,289,213.40, 12,430,133.70 and 3,802,864.60

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Solution

The fourth proportional to 8,289,213.40, 12,430,133.70 and 3,802,864.60 is: 5,702,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,213.40 : 12,430,133.70 = 3,802,864.60 : x
  2. Step 2: Convert to fraction form
    8,289,213.40/12,430,133.70 = 3,802,864.60/x
  3. Step 3: Cross multiply
    8,289,213.40x = 12,430,133.70 × 3,802,864.60
  4. Step 4: Simplify right side
    8,289,213.40x = 47,270,115,420,997.02
  5. Step 5: Solve for x
    x = 47,270,115,420,997.02/8,289,213.40
  6. Step 6: Final answer
    x = 5,702,605.68

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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.