Home / 15,067,075.87-20,796,989.74-9,840,882.98

Finding the Fourth Proportional to 15,067,075.87, 20,796,989.74 and 9,840,882.98

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Solution

The fourth proportional to 15,067,075.87, 20,796,989.74 and 9,840,882.98 is: 13,583,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067,075.87 : 20,796,989.74 = 9,840,882.98 : x
  2. Step 2: Convert to fraction form
    15,067,075.87/20,796,989.74 = 9,840,882.98/x
  3. Step 3: Cross multiply
    15,067,075.87x = 20,796,989.74 × 9,840,882.98
  4. Step 4: Simplify right side
    15,067,075.87x = 204,660,742,450,336.03
  5. Step 5: Solve for x
    x = 204,660,742,450,336.03/15,067,075.87
  6. Step 6: Final answer
    x = 13,583,308.68

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1.5x scale

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.