Finding the Fourth Proportional to 36,203,927.40, 54,368,876.70 and 19,197,815.40
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Solution
The fourth proportional to 36,203,927.40, 54,368,876.70 and 19,197,815.40 is: 28,830,122.40
Step by Step Solution
- Step 1: Write the proportion equation
36,203,927.40 : 54,368,876.70 = 19,197,815.40 : x - Step 2: Convert to fraction form
36,203,927.40/54,368,876.70 = 19,197,815.40/x - Step 3: Cross multiply
36,203,927.40x = 54,368,876.70 × 19,197,815.40 - Step 4: Simplify right side
36,203,927.40x = 1,043,763,658,391,961.12 - Step 5: Solve for x
x = 1,043,763,658,391,961.12/36,203,927.40 - Step 6: Final answer
x = 28,830,122.40
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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.