Home / 6,659,020.80-9,993,196.80-4,268,678.40

Finding the Fourth Proportional to 6,659,020.80, 9,993,196.80 and 4,268,678.40

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Solution

The fourth proportional to 6,659,020.80, 9,993,196.80 and 4,268,678.40 is: 6,406,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,020.80 : 9,993,196.80 = 4,268,678.40 : x
  2. Step 2: Convert to fraction form
    6,659,020.80/9,993,196.80 = 4,268,678.40/x
  3. Step 3: Cross multiply
    6,659,020.80x = 9,993,196.80 × 4,268,678.40
  4. Step 4: Simplify right side
    6,659,020.80x = 42,657,743,327,109.12
  5. Step 5: Solve for x
    x = 42,657,743,327,109.12/6,659,020.80
  6. Step 6: Final answer
    x = 6,406,008.42

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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.