Finding the Fourth Proportional to 45,219,436.59, 67,859,390.97 and 19,317,791.07
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Solution
The fourth proportional to 45,219,436.59, 67,859,390.97 and 19,317,791.07 is: 28,989,603.49
Step by Step Solution
- Step 1: Write the proportion equation
45,219,436.59 : 67,859,390.97 = 19,317,791.07 : x - Step 2: Convert to fraction form
45,219,436.59/67,859,390.97 = 19,317,791.07/x - Step 3: Cross multiply
45,219,436.59x = 67,859,390.97 × 19,317,791.07 - Step 4: Simplify right side
45,219,436.59x = 1,310,893,536,895,904.75 - Step 5: Solve for x
x = 1,310,893,536,895,904.75/45,219,436.59 - Step 6: Final answer
x = 28,989,603.49
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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.