Home / 19,400,880.80-29,111,818.80-8,042,477.60

Finding the Fourth Proportional to 19,400,880.80, 29,111,818.80 and 8,042,477.60

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Solution

The fourth proportional to 19,400,880.80, 29,111,818.80 and 8,042,477.60 is: 12,068,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400,880.80 : 29,111,818.80 = 8,042,477.60 : x
  2. Step 2: Convert to fraction form
    19,400,880.80/29,111,818.80 = 8,042,477.60/x
  3. Step 3: Cross multiply
    19,400,880.80x = 29,111,818.80 × 8,042,477.60
  4. Step 4: Simplify right side
    19,400,880.80x = 234,131,150,594,258.88
  5. Step 5: Solve for x
    x = 234,131,150,594,258.88/19,400,880.80
  6. Step 6: Final answer
    x = 12,068,068.09

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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.