Finding the Fourth Proportional to 34,165,133.12, 47,105,115.96 and 28,515,337.08
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Solution
The fourth proportional to 34,165,133.12, 47,105,115.96 and 28,515,337.08 is: 39,315,469.82
Step by Step Solution
- Step 1: Write the proportion equation
34,165,133.12 : 47,105,115.96 = 28,515,337.08 : x - Step 2: Convert to fraction form
34,165,133.12/47,105,115.96 = 28,515,337.08/x - Step 3: Cross multiply
34,165,133.12x = 47,105,115.96 × 28,515,337.08 - Step 4: Simplify right side
34,165,133.12x = 1,343,218,259,791,887.75 - Step 5: Solve for x
x = 1,343,218,259,791,887.75/34,165,133.12 - Step 6: Final answer
x = 39,315,469.82
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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.