Home / 16,728,556.25-25,075,571.85-7,018,807.82

Finding the Fourth Proportional to 16,728,556.25, 25,075,571.85 and 7,018,807.82

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Solution

The fourth proportional to 16,728,556.25, 25,075,571.85 and 7,018,807.82 is: 10,520,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728,556.25 : 25,075,571.85 = 7,018,807.82 : x
  2. Step 2: Convert to fraction form
    16,728,556.25/25,075,571.85 = 7,018,807.82/x
  3. Step 3: Cross multiply
    16,728,556.25x = 25,075,571.85 × 7,018,807.82
  4. Step 4: Simplify right side
    16,728,556.25x = 176,000,619,666,374.03
  5. Step 5: Solve for x
    x = 176,000,619,666,374.03/16,728,556.25
  6. Step 6: Final answer
    x = 10,520,968.88

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1.5x scale

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.