Finding the Fourth Proportional to 7,006,468.24, 9,668,927.82 and 3,950,683.12
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Solution
The fourth proportional to 7,006,468.24, 9,668,927.82 and 3,950,683.12 is: 5,451,943.64
Step by Step Solution
- Step 1: Write the proportion equation
7,006,468.24 : 9,668,927.82 = 3,950,683.12 : x - Step 2: Convert to fraction form
7,006,468.24/9,668,927.82 = 3,950,683.12/x - Step 3: Cross multiply
7,006,468.24x = 9,668,927.82 × 3,950,683.12 - Step 4: Simplify right side
7,006,468.24x = 38,198,869,926,972.40 - Step 5: Solve for x
x = 38,198,869,926,972.40/7,006,468.24 - Step 6: Final answer
x = 5,451,943.64
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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.