Home / 8,213,485.39-12,319,286.78-2,148,802.36

Finding the Fourth Proportional to 8,213,485.39, 12,319,286.78 and 2,148,802.36

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Solution

The fourth proportional to 8,213,485.39, 12,319,286.78 and 2,148,802.36 is: 3,222,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,485.39 : 12,319,286.78 = 2,148,802.36 : x
  2. Step 2: Convert to fraction form
    8,213,485.39/12,319,286.78 = 2,148,802.36/x
  3. Step 3: Cross multiply
    8,213,485.39x = 12,319,286.78 × 2,148,802.36
  4. Step 4: Simplify right side
    8,213,485.39x = 26,471,712,480,954.59
  5. Step 5: Solve for x
    x = 26,471,712,480,954.59/8,213,485.39
  6. Step 6: Final answer
    x = 3,222,957.27

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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.