Finding the Fourth Proportional to 16,939,526.96, 23,376,695.20 and 9,204,569.12
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Solution
The fourth proportional to 16,939,526.96, 23,376,695.20 and 9,204,569.12 is: 12,702,385.80
Step by Step Solution
- Step 1: Write the proportion equation
16,939,526.96 : 23,376,695.20 = 9,204,569.12 : x - Step 2: Convert to fraction form
16,939,526.96/23,376,695.20 = 9,204,569.12/x - Step 3: Cross multiply
16,939,526.96x = 23,376,695.20 × 9,204,569.12 - Step 4: Simplify right side
16,939,526.96x = 215,172,406,765,572.19 - Step 5: Solve for x
x = 215,172,406,765,572.19/16,939,526.96 - Step 6: Final answer
x = 12,702,385.80
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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.