Finding the Fourth Proportional to 9,788,132.80, 14,684,272.80 and 2,964,145.60
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Solution
The fourth proportional to 9,788,132.80, 14,684,272.80 and 2,964,145.60 is: 4,446,846.35
Step by Step Solution
- Step 1: Write the proportion equation
9,788,132.80 : 14,684,272.80 = 2,964,145.60 : x - Step 2: Convert to fraction form
9,788,132.80/14,684,272.80 = 2,964,145.60/x - Step 3: Cross multiply
9,788,132.80x = 14,684,272.80 × 2,964,145.60 - Step 4: Simplify right side
9,788,132.80x = 43,526,322,609,319.68 - Step 5: Solve for x
x = 43,526,322,609,319.68/9,788,132.80 - Step 6: Final answer
x = 4,446,846.35
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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.