Finding the Fourth Proportional to 23,119,134.54, 31,892,309.55 and 14,295,764.94
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Solution
The fourth proportional to 23,119,134.54, 31,892,309.55 and 14,295,764.94 is: 19,720,675.96
Step by Step Solution
- Step 1: Write the proportion equation
23,119,134.54 : 31,892,309.55 = 14,295,764.94 : x - Step 2: Convert to fraction form
23,119,134.54/31,892,309.55 = 14,295,764.94/x - Step 3: Cross multiply
23,119,134.54x = 31,892,309.55 × 14,295,764.94 - Step 4: Simplify right side
23,119,134.54x = 455,924,960,720,517.19 - Step 5: Solve for x
x = 455,924,960,720,517.19/23,119,134.54 - Step 6: Final answer
x = 19,720,675.96
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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.