Home / 19,206,465.40-28,809,698.10-17,022,964.60

Finding the Fourth Proportional to 19,206,465.40, 28,809,698.10 and 17,022,964.60

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Solution

The fourth proportional to 19,206,465.40, 28,809,698.10 and 17,022,964.60 is: 25,534,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206,465.40 : 28,809,698.10 = 17,022,964.60 : x
  2. Step 2: Convert to fraction form
    19,206,465.40/28,809,698.10 = 17,022,964.60/x
  3. Step 3: Cross multiply
    19,206,465.40x = 28,809,698.10 × 17,022,964.60
  4. Step 4: Simplify right side
    19,206,465.40x = 490,426,470,892,987.31
  5. Step 5: Solve for x
    x = 490,426,470,892,987.31/19,206,465.40
  6. Step 6: Final answer
    x = 25,534,446.90

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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.