Finding the Fourth Proportional to 34,141,079.35, 47,115,810.53 and 18,671,163.99
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Solution
The fourth proportional to 34,141,079.35, 47,115,810.53 and 18,671,163.99 is: 25,766,819.38
Step by Step Solution
- Step 1: Write the proportion equation
34,141,079.35 : 47,115,810.53 = 18,671,163.99 : x - Step 2: Convert to fraction form
34,141,079.35/47,115,810.53 = 18,671,163.99/x - Step 3: Cross multiply
34,141,079.35x = 47,115,810.53 × 18,671,163.99 - Step 4: Simplify right side
34,141,079.35x = 879,707,024,927,398.75 - Step 5: Solve for x
x = 879,707,024,927,398.75/34,141,079.35 - Step 6: Final answer
x = 25,766,819.38
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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.