Finding the Fourth Proportional to 7,006,468.74, 9,668,928.51 and 3,950,683.62
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Solution
The fourth proportional to 7,006,468.74, 9,668,928.51 and 3,950,683.62 is: 5,451,944.33
Step by Step Solution
- Step 1: Write the proportion equation
7,006,468.74 : 9,668,928.51 = 3,950,683.62 : x - Step 2: Convert to fraction form
7,006,468.74/9,668,928.51 = 3,950,683.62/x - Step 3: Cross multiply
7,006,468.74x = 9,668,928.51 × 3,950,683.62 - Step 4: Simplify right side
7,006,468.74x = 38,198,877,487,408.01 - Step 5: Solve for x
x = 38,198,877,487,408.01/7,006,468.74 - Step 6: Final answer
x = 5,451,944.33
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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.