Home / 8,289,286.40-12,430,243.20-3,802,937.60

Finding the Fourth Proportional to 8,289,286.40, 12,430,243.20 and 3,802,937.60

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Solution

The fourth proportional to 8,289,286.40, 12,430,243.20 and 3,802,937.60 is: 5,702,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,286.40 : 12,430,243.20 = 3,802,937.60 : x
  2. Step 2: Convert to fraction form
    8,289,286.40/12,430,243.20 = 3,802,937.60/x
  3. Step 3: Cross multiply
    8,289,286.40x = 12,430,243.20 × 3,802,937.60
  4. Step 4: Simplify right side
    8,289,286.40x = 47,271,439,242,424.32
  5. Step 5: Solve for x
    x = 47,271,439,242,424.32/8,289,286.40
  6. Step 6: Final answer
    x = 5,702,715.16

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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.