Home / 6,809,381.02-9,397,507.58-3,909,331.54

Finding the Fourth Proportional to 6,809,381.02, 9,397,507.58 and 3,909,331.54

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Solution

The fourth proportional to 6,809,381.02, 9,397,507.58 and 3,909,331.54 is: 5,395,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,381.02 : 9,397,507.58 = 3,909,331.54 : x
  2. Step 2: Convert to fraction form
    6,809,381.02/9,397,507.58 = 3,909,331.54/x
  3. Step 3: Cross multiply
    6,809,381.02x = 9,397,507.58 × 3,909,331.54
  4. Step 4: Simplify right side
    6,809,381.02x = 36,737,972,779,883.07
  5. Step 5: Solve for x
    x = 36,737,972,779,883.07/6,809,381.02
  6. Step 6: Final answer
    x = 5,395,200.04

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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.