Finding the Fourth Proportional to 6,645,410.40, 9,968,115.60 and 6,582,424.80
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Solution
The fourth proportional to 6,645,410.40, 9,968,115.60 and 6,582,424.80 is: 9,873,637.20
Step by Step Solution
- Step 1: Write the proportion equation
6,645,410.40 : 9,968,115.60 = 6,582,424.80 : x - Step 2: Convert to fraction form
6,645,410.40/9,968,115.60 = 6,582,424.80/x - Step 3: Cross multiply
6,645,410.40x = 9,968,115.60 × 6,582,424.80 - Step 4: Simplify right side
6,645,410.40x = 65,614,371,334,706.88 - Step 5: Solve for x
x = 65,614,371,334,706.88/6,645,410.40 - Step 6: Final answer
x = 9,873,637.20
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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.