Finding the Fourth Proportional to 34,007,572.76, 46,930,068.36 and 18,537,317.96
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Solution
The fourth proportional to 34,007,572.76, 46,930,068.36 and 18,537,317.96 is: 25,581,290.53
Step by Step Solution
- Step 1: Write the proportion equation
34,007,572.76 : 46,930,068.36 = 18,537,317.96 : x - Step 2: Convert to fraction form
34,007,572.76/46,930,068.36 = 18,537,317.96/x - Step 3: Cross multiply
34,007,572.76x = 46,930,068.36 × 18,537,317.96 - Step 4: Simplify right side
34,007,572.76x = 869,957,599,073,855.75 - Step 5: Solve for x
x = 869,957,599,073,855.75/34,007,572.76 - Step 6: Final answer
x = 25,581,290.53
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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.