Home / 7,145,258.64-9,862,015.92-4,394,312.72

Finding the Fourth Proportional to 7,145,258.64, 9,862,015.92 and 4,394,312.72

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Solution

The fourth proportional to 7,145,258.64, 9,862,015.92 and 4,394,312.72 is: 6,065,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,258.64 : 9,862,015.92 = 4,394,312.72 : x
  2. Step 2: Convert to fraction form
    7,145,258.64/9,862,015.92 = 4,394,312.72/x
  3. Step 3: Cross multiply
    7,145,258.64x = 9,862,015.92 × 4,394,312.72
  4. Step 4: Simplify right side
    7,145,258.64x = 43,336,782,002,098.50
  5. Step 5: Solve for x
    x = 43,336,782,002,098.50/7,145,258.64
  6. Step 6: Final answer
    x = 6,065,110.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.