Finding the Fourth Proportional to 23,169,184.91, 31,973,475.16 and 12,857,567.39
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Solution
The fourth proportional to 23,169,184.91, 31,973,475.16 and 12,857,567.39 is: 17,743,442.99
Step by Step Solution
- Step 1: Write the proportion equation
23,169,184.91 : 31,973,475.16 = 12,857,567.39 : x - Step 2: Convert to fraction form
23,169,184.91/31,973,475.16 = 12,857,567.39/x - Step 3: Cross multiply
23,169,184.91x = 31,973,475.16 × 12,857,567.39 - Step 4: Simplify right side
23,169,184.91x = 411,101,111,562,191.06 - Step 5: Solve for x
x = 411,101,111,562,191.06/23,169,184.91 - Step 6: Final answer
x = 17,743,442.99
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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.