Finding the Fourth Proportional to 19,030,401.29, 26,261,979.71 and 10,328,573.99
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Solution
The fourth proportional to 19,030,401.29, 26,261,979.71 and 10,328,573.99 is: 14,253,446.18
Step by Step Solution
- Step 1: Write the proportion equation
19,030,401.29 : 26,261,979.71 = 10,328,573.99 : x - Step 2: Convert to fraction form
19,030,401.29/26,261,979.71 = 10,328,573.99/x - Step 3: Cross multiply
19,030,401.29x = 26,261,979.71 × 10,328,573.99 - Step 4: Simplify right side
19,030,401.29x = 271,248,800,572,625.78 - Step 5: Solve for x
x = 271,248,800,572,625.78/19,030,401.29 - Step 6: Final answer
x = 14,253,446.18
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1.5x scale
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.