Finding the Fourth Proportional to 29,554,643.20, 44,257,315.20 and 19,402,297.60
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Solution
The fourth proportional to 29,554,643.20, 44,257,315.20 and 19,402,297.60 is: 29,054,439.76
Step by Step Solution
- Step 1: Write the proportion equation
29,554,643.20 : 44,257,315.20 = 19,402,297.60 : x - Step 2: Convert to fraction form
29,554,643.20/44,257,315.20 = 19,402,297.60/x - Step 3: Cross multiply
29,554,643.20x = 44,257,315.20 × 19,402,297.60 - Step 4: Simplify right side
29,554,643.20x = 858,693,600,487,403.62 - Step 5: Solve for x
x = 858,693,600,487,403.62/29,554,643.20 - Step 6: Final answer
x = 29,054,439.76
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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.