Home / 14,185,226.80-21,263,843.40-6,990,871.60

Finding the Fourth Proportional to 14,185,226.80, 21,263,843.40 and 6,990,871.60

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Solution

The fourth proportional to 14,185,226.80, 21,263,843.40 and 6,990,871.60 is: 10,479,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185,226.80 : 21,263,843.40 = 6,990,871.60 : x
  2. Step 2: Convert to fraction form
    14,185,226.80/21,263,843.40 = 6,990,871.60/x
  3. Step 3: Cross multiply
    14,185,226.80x = 21,263,843.40 × 6,990,871.60
  4. Step 4: Simplify right side
    14,185,226.80x = 148,652,798,931,907.41
  5. Step 5: Solve for x
    x = 148,652,798,931,907.41/14,185,226.80
  6. Step 6: Final answer
    x = 10,479,409.39

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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.