Home / 12,546,576.12-18,820,986.84-4,870,040.88

Finding the Fourth Proportional to 12,546,576.12, 18,820,986.84 and 4,870,040.88

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Solution

The fourth proportional to 12,546,576.12, 18,820,986.84 and 4,870,040.88 is: 7,305,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,576.12 : 18,820,986.84 = 4,870,040.88 : x
  2. Step 2: Convert to fraction form
    12,546,576.12/18,820,986.84 = 4,870,040.88/x
  3. Step 3: Cross multiply
    12,546,576.12x = 18,820,986.84 × 4,870,040.88
  4. Step 4: Simplify right side
    12,546,576.12x = 91,658,975,312,742.02
  5. Step 5: Solve for x
    x = 91,658,975,312,742.02/12,546,576.12
  6. Step 6: Final answer
    x = 7,305,497.09

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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.