Home / 19,964,940.40-29,947,410.60-11,355,596.20

Finding the Fourth Proportional to 19,964,940.40, 29,947,410.60 and 11,355,596.20

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Solution

The fourth proportional to 19,964,940.40, 29,947,410.60 and 11,355,596.20 is: 17,033,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,940.40 : 29,947,410.60 = 11,355,596.20 : x
  2. Step 2: Convert to fraction form
    19,964,940.40/29,947,410.60 = 11,355,596.20/x
  3. Step 3: Cross multiply
    19,964,940.40x = 29,947,410.60 × 11,355,596.20
  4. Step 4: Simplify right side
    19,964,940.40x = 340,070,702,009,199.69
  5. Step 5: Solve for x
    x = 340,070,702,009,199.69/19,964,940.40
  6. Step 6: Final answer
    x = 17,033,394.30

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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.