Home / 6,939,374.50-9,581,387.97-5,570,249.32

Finding the Fourth Proportional to 6,939,374.50, 9,581,387.97 and 5,570,249.32

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Solution

The fourth proportional to 6,939,374.50, 9,581,387.97 and 5,570,249.32 is: 7,690,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939,374.50 : 9,581,387.97 = 5,570,249.32 : x
  2. Step 2: Convert to fraction form
    6,939,374.50/9,581,387.97 = 5,570,249.32/x
  3. Step 3: Cross multiply
    6,939,374.50x = 9,581,387.97 × 5,570,249.32
  4. Step 4: Simplify right side
    6,939,374.50x = 53,370,719,824,548.69
  5. Step 5: Solve for x
    x = 53,370,719,824,548.69/6,939,374.50
  6. Step 6: Final answer
    x = 7,690,998.64

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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.