Finding the Fourth Proportional to 30,103,423.93, 41,543,864.76 and 16,872,843.19
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Solution
The fourth proportional to 30,103,423.93, 41,543,864.76 and 16,872,843.19 is: 23,285,162.42
Step by Step Solution
- Step 1: Write the proportion equation
30,103,423.93 : 41,543,864.76 = 16,872,843.19 : x - Step 2: Convert to fraction form
30,103,423.93/41,543,864.76 = 16,872,843.19/x - Step 3: Cross multiply
30,103,423.93x = 41,543,864.76 × 16,872,843.19 - Step 4: Simplify right side
30,103,423.93x = 700,963,115,602,047 - Step 5: Solve for x
x = 700,963,115,602,047/30,103,423.93 - Step 6: Final answer
x = 23,285,162.42
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1.5x scale
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.