Finding the Fourth Proportional to 6,990,033.84, 10,488,817.44 and 2,949,322.20
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Solution
The fourth proportional to 6,990,033.84, 10,488,817.44 and 2,949,322.20 is: 4,425,572.58
Step by Step Solution
- Step 1: Write the proportion equation
6,990,033.84 : 10,488,817.44 = 2,949,322.20 : x - Step 2: Convert to fraction form
6,990,033.84/10,488,817.44 = 2,949,322.20/x - Step 3: Cross multiply
6,990,033.84x = 10,488,817.44 × 2,949,322.20 - Step 4: Simplify right side
6,990,033.84x = 30,934,902,127,539.17 - Step 5: Solve for x
x = 30,934,902,127,539.17/6,990,033.84 - Step 6: Final answer
x = 4,425,572.58
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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.