Finding the Fourth Proportional to 19,723,306.97, 29,584,960.57 and 5,346,374.70
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Solution
The fourth proportional to 19,723,306.97, 29,584,960.57 and 5,346,374.70 is: 8,019,562.09
Step by Step Solution
- Step 1: Write the proportion equation
19,723,306.97 : 29,584,960.57 = 5,346,374.70 : x - Step 2: Convert to fraction form
19,723,306.97/29,584,960.57 = 5,346,374.70/x - Step 3: Cross multiply
19,723,306.97x = 29,584,960.57 × 5,346,374.70 - Step 4: Simplify right side
19,723,306.97x = 158,172,284,809,572.16 - Step 5: Solve for x
x = 158,172,284,809,572.16/19,723,306.97 - Step 6: Final answer
x = 8,019,562.09
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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.