Home / 6,849,412.89-9,452,342.45-3,909,170.96

Finding the Fourth Proportional to 6,849,412.89, 9,452,342.45 and 3,909,170.96

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Solution

The fourth proportional to 6,849,412.89, 9,452,342.45 and 3,909,170.96 is: 5,394,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,412.89 : 9,452,342.45 = 3,909,170.96 : x
  2. Step 2: Convert to fraction form
    6,849,412.89/9,452,342.45 = 3,909,170.96/x
  3. Step 3: Cross multiply
    6,849,412.89x = 9,452,342.45 × 3,909,170.96
  4. Step 4: Simplify right side
    6,849,412.89x = 36,950,822,609,515.25
  5. Step 5: Solve for x
    x = 36,950,822,609,515.25/6,849,412.89
  6. Step 6: Final answer
    x = 5,394,743.05

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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.