Home / 11,939,315.76-16,476,576.12-6,507,157.68

Finding the Fourth Proportional to 11,939,315.76, 16,476,576.12 and 6,507,157.68

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Solution

The fourth proportional to 11,939,315.76, 16,476,576.12 and 6,507,157.68 is: 8,980,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,315.76 : 16,476,576.12 = 6,507,157.68 : x
  2. Step 2: Convert to fraction form
    11,939,315.76/16,476,576.12 = 6,507,157.68/x
  3. Step 3: Cross multiply
    11,939,315.76x = 16,476,576.12 × 6,507,157.68
  4. Step 4: Simplify right side
    11,939,315.76x = 107,215,678,839,362.59
  5. Step 5: Solve for x
    x = 107,215,678,839,362.59/11,939,315.76
  6. Step 6: Final answer
    x = 8,980,052.21

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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.