Finding the Fourth Proportional to 12,752,276.18, 19,128,500.40 and 4,661,923.64
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Solution
The fourth proportional to 12,752,276.18, 19,128,500.40 and 4,661,923.64 is: 6,992,916.95
Step by Step Solution
- Step 1: Write the proportion equation
12,752,276.18 : 19,128,500.40 = 4,661,923.64 : x - Step 2: Convert to fraction form
12,752,276.18/19,128,500.40 = 4,661,923.64/x - Step 3: Cross multiply
12,752,276.18x = 19,128,500.40 × 4,661,923.64 - Step 4: Simplify right side
12,752,276.18x = 89,175,608,212,509.44 - Step 5: Solve for x
x = 89,175,608,212,509.44/12,752,276.18 - Step 6: Final answer
x = 6,992,916.95
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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.