Home / 7,869,977.80-11,804,966.70-2,821,798.60

Finding the Fourth Proportional to 7,869,977.80, 11,804,966.70 and 2,821,798.60

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Solution

The fourth proportional to 7,869,977.80, 11,804,966.70 and 2,821,798.60 is: 4,232,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,977.80 : 11,804,966.70 = 2,821,798.60 : x
  2. Step 2: Convert to fraction form
    7,869,977.80/11,804,966.70 = 2,821,798.60/x
  3. Step 3: Cross multiply
    7,869,977.80x = 11,804,966.70 × 2,821,798.60
  4. Step 4: Simplify right side
    7,869,977.80x = 33,311,238,507,106.62
  5. Step 5: Solve for x
    x = 33,311,238,507,106.62/7,869,977.80
  6. Step 6: Final answer
    x = 4,232,697.90

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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.