Home / 15,985,309.44-22,054,690.80-9,783,891.24

Finding the Fourth Proportional to 15,985,309.44, 22,054,690.80 and 9,783,891.24

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Solution

The fourth proportional to 15,985,309.44, 22,054,690.80 and 9,783,891.24 is: 13,498,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985,309.44 : 22,054,690.80 = 9,783,891.24 : x
  2. Step 2: Convert to fraction form
    15,985,309.44/22,054,690.80 = 9,783,891.24/x
  3. Step 3: Cross multiply
    15,985,309.44x = 22,054,690.80 × 9,783,891.24
  4. Step 4: Simplify right side
    15,985,309.44x = 215,780,696,119,028.59
  5. Step 5: Solve for x
    x = 215,780,696,119,028.59/15,985,309.44
  6. Step 6: Final answer
    x = 13,498,687.46

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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.