Finding the Fourth Proportional to 19,339,871.35, 28,999,824.01 and 5,691,245.53
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Solution
The fourth proportional to 19,339,871.35, 28,999,824.01 and 5,691,245.53 is: 8,533,930.54
Step by Step Solution
- Step 1: Write the proportion equation
19,339,871.35 : 28,999,824.01 = 5,691,245.53 : x - Step 2: Convert to fraction form
19,339,871.35/28,999,824.01 = 5,691,245.53/x - Step 3: Cross multiply
19,339,871.35x = 28,999,824.01 × 5,691,245.53 - Step 4: Simplify right side
19,339,871.35x = 165,045,118,767,699.19 - Step 5: Solve for x
x = 165,045,118,767,699.19/19,339,871.35 - Step 6: Final answer
x = 8,533,930.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.