Finding the Fourth Proportional to 9,540,468.84, 14,316,736.14 and 8,643,718.92
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Solution
The fourth proportional to 9,540,468.84, 14,316,736.14 and 8,643,718.92 is: 12,971,044.20
Step by Step Solution
- Step 1: Write the proportion equation
9,540,468.84 : 14,316,736.14 = 8,643,718.92 : x - Step 2: Convert to fraction form
9,540,468.84/14,316,736.14 = 8,643,718.92/x - Step 3: Cross multiply
9,540,468.84x = 14,316,736.14 × 8,643,718.92 - Step 4: Simplify right side
9,540,468.84x = 123,749,843,045,965.77 - Step 5: Solve for x
x = 123,749,843,045,965.77/9,540,468.84 - Step 6: Final answer
x = 12,971,044.20
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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.