Finding the Fourth Proportional to 15,973,468.29, 22,045,137.65 and 9,269,277.74
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Solution
The fourth proportional to 15,973,468.29, 22,045,137.65 and 9,269,277.74 is: 12,792,619.60
Step by Step Solution
- Step 1: Write the proportion equation
15,973,468.29 : 22,045,137.65 = 9,269,277.74 : x - Step 2: Convert to fraction form
15,973,468.29/22,045,137.65 = 9,269,277.74/x - Step 3: Cross multiply
15,973,468.29x = 22,045,137.65 × 9,269,277.74 - Step 4: Simplify right side
15,973,468.29x = 204,342,503,537,808.81 - Step 5: Solve for x
x = 204,342,503,537,808.81/15,973,468.29 - Step 6: Final answer
x = 12,792,619.60
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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.