Finding the Fourth Proportional to 30,746,197.35, 42,430,034.66 and 17,515,178.17
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Solution
The fourth proportional to 30,746,197.35, 42,430,034.66 and 17,515,178.17 is: 24,171,106.70
Step by Step Solution
- Step 1: Write the proportion equation
30,746,197.35 : 42,430,034.66 = 17,515,178.17 : x - Step 2: Convert to fraction form
30,746,197.35/42,430,034.66 = 17,515,178.17/x - Step 3: Cross multiply
30,746,197.35x = 42,430,034.66 × 17,515,178.17 - Step 4: Simplify right side
30,746,197.35x = 743,169,616,813,603.62 - Step 5: Solve for x
x = 743,169,616,813,603.62/30,746,197.35 - Step 6: Final answer
x = 24,171,106.70
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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.