Finding the Fourth Proportional to 7,008,720.14, 9,670,206.04 and 4,106,551.70
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Solution
The fourth proportional to 7,008,720.14, 9,670,206.04 and 4,106,551.70 is: 5,665,970.42
Step by Step Solution
- Step 1: Write the proportion equation
7,008,720.14 : 9,670,206.04 = 4,106,551.70 : x - Step 2: Convert to fraction form
7,008,720.14/9,670,206.04 = 4,106,551.70/x - Step 3: Cross multiply
7,008,720.14x = 9,670,206.04 × 4,106,551.70 - Step 4: Simplify right side
7,008,720.14x = 39,711,200,994,294.85 - Step 5: Solve for x
x = 39,711,200,994,294.85/7,008,720.14 - Step 6: Final answer
x = 5,665,970.42
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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.