Home / 20,763,054.64-28,444,908.93-19,986,778

Finding the Fourth Proportional to 20,763,054.64, 28,444,908.93 and 19,986,778

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Solution

The fourth proportional to 20,763,054.64, 28,444,908.93 and 19,986,778 is: 27,381,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,054.64 : 28,444,908.93 = 19,986,778 : x
  2. Step 2: Convert to fraction form
    20,763,054.64/28,444,908.93 = 19,986,778/x
  3. Step 3: Cross multiply
    20,763,054.64x = 28,444,908.93 × 19,986,778
  4. Step 4: Simplify right side
    20,763,054.64x = 568,522,080,014,127.50
  5. Step 5: Solve for x
    x = 568,522,080,014,127.50/20,763,054.64
  6. Step 6: Final answer
    x = 27,381,427.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.