Home / 12,576,326.40-18,864,489.60-4,056,940.80

Finding the Fourth Proportional to 12,576,326.40, 18,864,489.60 and 4,056,940.80

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Solution

The fourth proportional to 12,576,326.40, 18,864,489.60 and 4,056,940.80 is: 6,085,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,326.40 : 18,864,489.60 = 4,056,940.80 : x
  2. Step 2: Convert to fraction form
    12,576,326.40/18,864,489.60 = 4,056,940.80/x
  3. Step 3: Cross multiply
    12,576,326.40x = 18,864,489.60 × 4,056,940.80
  4. Step 4: Simplify right side
    12,576,326.40x = 76,532,117,529,415.69
  5. Step 5: Solve for x
    x = 76,532,117,529,415.69/12,576,326.40
  6. Step 6: Final answer
    x = 6,085,411.20

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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.