Finding the Fourth Proportional to 12,415,293.90, 18,623,728.04 and 3,895,966.62
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Solution
The fourth proportional to 12,415,293.90, 18,623,728.04 and 3,895,966.62 is: 5,844,196.95
Step by Step Solution
- Step 1: Write the proportion equation
12,415,293.90 : 18,623,728.04 = 3,895,966.62 : x - Step 2: Convert to fraction form
12,415,293.90/18,623,728.04 = 3,895,966.62/x - Step 3: Cross multiply
12,415,293.90x = 18,623,728.04 × 3,895,966.62 - Step 4: Simplify right side
12,415,293.90x = 72,557,422,764,318.19 - Step 5: Solve for x
x = 72,557,422,764,318.19/12,415,293.90 - Step 6: Final answer
x = 5,844,196.95
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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.