Home / 20,763,053.64-28,444,907.56-19,986,777

Finding the Fourth Proportional to 20,763,053.64, 28,444,907.56 and 19,986,777

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Solution

The fourth proportional to 20,763,053.64, 28,444,907.56 and 19,986,777 is: 27,381,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,053.64 : 28,444,907.56 = 19,986,777 : x
  2. Step 2: Convert to fraction form
    20,763,053.64/28,444,907.56 = 19,986,777/x
  3. Step 3: Cross multiply
    20,763,053.64x = 28,444,907.56 × 19,986,777
  4. Step 4: Simplify right side
    20,763,053.64x = 568,522,024,187,334.12
  5. Step 5: Solve for x
    x = 568,522,024,187,334.12/20,763,053.64
  6. Step 6: Final answer
    x = 27,381,426.36

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1.5x scale

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.