Finding the Fourth Proportional to 24,720,519.18, 34,114,389.96 and 13,708,044.72
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Solution
The fourth proportional to 24,720,519.18, 34,114,389.96 and 13,708,044.72 is: 18,917,142.47
Step by Step Solution
- Step 1: Write the proportion equation
24,720,519.18 : 34,114,389.96 = 13,708,044.72 : x - Step 2: Convert to fraction form
24,720,519.18/34,114,389.96 = 13,708,044.72/x - Step 3: Cross multiply
24,720,519.18x = 34,114,389.96 × 13,708,044.72 - Step 4: Simplify right side
24,720,519.18x = 467,641,583,167,199.06 - Step 5: Solve for x
x = 467,641,583,167,199.06/24,720,519.18 - Step 6: Final answer
x = 18,917,142.47
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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.