Home / 8,374,930.40-12,562,395.60-7,004,993.60

Finding the Fourth Proportional to 8,374,930.40, 12,562,395.60 and 7,004,993.60

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Solution

The fourth proportional to 8,374,930.40, 12,562,395.60 and 7,004,993.60 is: 10,507,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,930.40 : 12,562,395.60 = 7,004,993.60 : x
  2. Step 2: Convert to fraction form
    8,374,930.40/12,562,395.60 = 7,004,993.60/x
  3. Step 3: Cross multiply
    8,374,930.40x = 12,562,395.60 × 7,004,993.60
  4. Step 4: Simplify right side
    8,374,930.40x = 87,999,500,778,668.16
  5. Step 5: Solve for x
    x = 87,999,500,778,668.16/8,374,930.40
  6. Step 6: Final answer
    x = 10,507,490.40

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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.