Finding the Fourth Proportional to 23,534,207.20, 32,478,038.54 and 13,080,431.94
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Solution
The fourth proportional to 23,534,207.20, 32,478,038.54 and 13,080,431.94 is: 18,051,458.84
Step by Step Solution
- Step 1: Write the proportion equation
23,534,207.20 : 32,478,038.54 = 13,080,431.94 : x - Step 2: Convert to fraction form
23,534,207.20/32,478,038.54 = 13,080,431.94/x - Step 3: Cross multiply
23,534,207.20x = 32,478,038.54 × 13,080,431.94 - Step 4: Simplify right side
23,534,207.20x = 424,826,772,667,166.94 - Step 5: Solve for x
x = 424,826,772,667,166.94/23,534,207.20 - Step 6: Final answer
x = 18,051,458.84
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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.