Home / 7,421,710.40-11,131,399.20-2,628,713.60

Finding the Fourth Proportional to 7,421,710.40, 11,131,399.20 and 2,628,713.60

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Solution

The fourth proportional to 7,421,710.40, 11,131,399.20 and 2,628,713.60 is: 3,942,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,710.40 : 11,131,399.20 = 2,628,713.60 : x
  2. Step 2: Convert to fraction form
    7,421,710.40/11,131,399.20 = 2,628,713.60/x
  3. Step 3: Cross multiply
    7,421,710.40x = 11,131,399.20 × 2,628,713.60
  4. Step 4: Simplify right side
    7,421,710.40x = 29,261,260,464,069.12
  5. Step 5: Solve for x
    x = 29,261,260,464,069.12/7,421,710.40
  6. Step 6: Final answer
    x = 3,942,657.27

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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.