Finding the Fourth Proportional to 7,194,206.76, 10,771,972.77 and 5,480,184.99
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Solution
The fourth proportional to 7,194,206.76, 10,771,972.77 and 5,480,184.99 is: 8,205,547.25
Step by Step Solution
- Step 1: Write the proportion equation
7,194,206.76 : 10,771,972.77 = 5,480,184.99 : x - Step 2: Convert to fraction form
7,194,206.76/10,771,972.77 = 5,480,184.99/x - Step 3: Cross multiply
7,194,206.76x = 10,771,972.77 × 5,480,184.99 - Step 4: Simplify right side
7,194,206.76x = 59,032,403,486,842.72 - Step 5: Solve for x
x = 59,032,403,486,842.72/7,194,206.76 - Step 6: Final answer
x = 8,205,547.25
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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.