Home / 8,580,421.44-11,848,667.40-6,401,179.80

Finding the Fourth Proportional to 8,580,421.44, 11,848,667.40 and 6,401,179.80

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Solution

The fourth proportional to 8,580,421.44, 11,848,667.40 and 6,401,179.80 is: 8,839,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,421.44 : 11,848,667.40 = 6,401,179.80 : x
  2. Step 2: Convert to fraction form
    8,580,421.44/11,848,667.40 = 6,401,179.80/x
  3. Step 3: Cross multiply
    8,580,421.44x = 11,848,667.40 × 6,401,179.80
  4. Step 4: Simplify right side
    8,580,421.44x = 75,845,450,417,798.52
  5. Step 5: Solve for x
    x = 75,845,450,417,798.52/8,580,421.44
  6. Step 6: Final answer
    x = 8,839,361.91

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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.