Home / 21,576,567.05-32,377,619.25-7,939,289.81

Finding the Fourth Proportional to 21,576,567.05, 32,377,619.25 and 7,939,289.81

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Solution

The fourth proportional to 21,576,567.05, 32,377,619.25 and 7,939,289.81 is: 11,913,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,567.05 : 32,377,619.25 = 7,939,289.81 : x
  2. Step 2: Convert to fraction form
    21,576,567.05/32,377,619.25 = 7,939,289.81/x
  3. Step 3: Cross multiply
    21,576,567.05x = 32,377,619.25 × 7,939,289.81
  4. Step 4: Simplify right side
    21,576,567.05x = 257,055,302,583,584.84
  5. Step 5: Solve for x
    x = 257,055,302,583,584.84/21,576,567.05
  6. Step 6: Final answer
    x = 11,913,633.06

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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.