Finding the Fourth Proportional to 7,803,066.57, 10,767,988.58 and 4,318,195.62
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Solution
The fourth proportional to 7,803,066.57, 10,767,988.58 and 4,318,195.62 is: 5,958,975.32
Step by Step Solution
- Step 1: Write the proportion equation
7,803,066.57 : 10,767,988.58 = 4,318,195.62 : x - Step 2: Convert to fraction form
7,803,066.57/10,767,988.58 = 4,318,195.62/x - Step 3: Cross multiply
7,803,066.57x = 10,767,988.58 × 4,318,195.62 - Step 4: Simplify right side
7,803,066.57x = 46,498,281,100,775.04 - Step 5: Solve for x
x = 46,498,281,100,775.04/7,803,066.57 - Step 6: Final answer
x = 5,958,975.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.