Finding the Fourth Proportional to 23,328,082.90, 34,992,124.35 and 13,124,415.70
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Solution
The fourth proportional to 23,328,082.90, 34,992,124.35 and 13,124,415.70 is: 19,686,623.55
Step by Step Solution
- Step 1: Write the proportion equation
23,328,082.90 : 34,992,124.35 = 13,124,415.70 : x - Step 2: Convert to fraction form
23,328,082.90/34,992,124.35 = 13,124,415.70/x - Step 3: Cross multiply
23,328,082.90x = 34,992,124.35 × 13,124,415.70 - Step 4: Simplify right side
23,328,082.90x = 459,251,186,195,492.31 - Step 5: Solve for x
x = 459,251,186,195,492.31/23,328,082.90 - Step 6: Final answer
x = 19,686,623.55
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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.