Finding the Fourth Proportional to 19,230,636.70, 28,845,955.05 and 5,767,464.70
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Solution
The fourth proportional to 19,230,636.70, 28,845,955.05 and 5,767,464.70 is: 8,651,197.05
Step by Step Solution
- Step 1: Write the proportion equation
19,230,636.70 : 28,845,955.05 = 5,767,464.70 : x - Step 2: Convert to fraction form
19,230,636.70/28,845,955.05 = 5,767,464.70/x - Step 3: Cross multiply
19,230,636.70x = 28,845,955.05 × 5,767,464.70 - Step 4: Simplify right side
19,230,636.70x = 166,368,027,488,661.75 - Step 5: Solve for x
x = 166,368,027,488,661.75/19,230,636.70 - Step 6: Final answer
x = 8,651,197.05
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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.