Finding the Fourth Proportional to 16,461,696.85, 22,718,536.69 and 9,121,832.34
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Solution
The fourth proportional to 16,461,696.85, 22,718,536.69 and 9,121,832.34 is: 12,588,901.65
Step by Step Solution
- Step 1: Write the proportion equation
16,461,696.85 : 22,718,536.69 = 9,121,832.34 : x - Step 2: Convert to fraction form
16,461,696.85/22,718,536.69 = 9,121,832.34/x - Step 3: Cross multiply
16,461,696.85x = 22,718,536.69 × 9,121,832.34 - Step 4: Simplify right side
16,461,696.85x = 207,234,682,537,116.72 - Step 5: Solve for x
x = 207,234,682,537,116.72/16,461,696.85 - Step 6: Final answer
x = 12,588,901.65
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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.