Finding the Fourth Proportional to 38,563,998.35, 53,219,237.42 and 22,045,659.84
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Solution
The fourth proportional to 38,563,998.35, 53,219,237.42 and 22,045,659.84 is: 30,423,536.34
Step by Step Solution
- Step 1: Write the proportion equation
38,563,998.35 : 53,219,237.42 = 22,045,659.84 : x - Step 2: Convert to fraction form
38,563,998.35/53,219,237.42 = 22,045,659.84/x - Step 3: Cross multiply
38,563,998.35x = 53,219,237.42 × 22,045,659.84 - Step 4: Simplify right side
38,563,998.35x = 1,173,253,205,160,633.25 - Step 5: Solve for x
x = 1,173,253,205,160,633.25/38,563,998.35 - Step 6: Final answer
x = 30,423,536.34
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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.