Finding the Fourth Proportional to 13,104,037.80, 19,656,056.70 and 6,726,745.80
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Solution
The fourth proportional to 13,104,037.80, 19,656,056.70 and 6,726,745.80 is: 10,090,118.70
Step by Step Solution
- Step 1: Write the proportion equation
13,104,037.80 : 19,656,056.70 = 6,726,745.80 : x - Step 2: Convert to fraction form
13,104,037.80/19,656,056.70 = 6,726,745.80/x - Step 3: Cross multiply
13,104,037.80x = 19,656,056.70 × 6,726,745.80 - Step 4: Simplify right side
13,104,037.80x = 132,221,296,851,286.84 - Step 5: Solve for x
x = 132,221,296,851,286.84/13,104,037.80 - Step 6: Final answer
x = 10,090,118.70
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1.5x scale
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.