Finding the Fourth Proportional to 34,328,621.85, 47,354,629.25 and 21,746,634.98
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Solution
The fourth proportional to 34,328,621.85, 47,354,629.25 and 21,746,634.98 is: 29,998,403.12
Step by Step Solution
- Step 1: Write the proportion equation
34,328,621.85 : 47,354,629.25 = 21,746,634.98 : x - Step 2: Convert to fraction form
34,328,621.85/47,354,629.25 = 21,746,634.98/x - Step 3: Cross multiply
34,328,621.85x = 47,354,629.25 × 21,746,634.98 - Step 4: Simplify right side
34,328,621.85x = 1,029,803,836,730,574.62 - Step 5: Solve for x
x = 1,029,803,836,730,574.62/34,328,621.85 - Step 6: Final answer
x = 29,998,403.12
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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.