Finding the Fourth Proportional to 16,390,731.80, 24,586,097.70 and 15,550,923.80
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Solution
The fourth proportional to 16,390,731.80, 24,586,097.70 and 15,550,923.80 is: 23,326,385.70
Step by Step Solution
- Step 1: Write the proportion equation
16,390,731.80 : 24,586,097.70 = 15,550,923.80 : x - Step 2: Convert to fraction form
16,390,731.80/24,586,097.70 = 15,550,923.80/x - Step 3: Cross multiply
16,390,731.80x = 24,586,097.70 × 15,550,923.80 - Step 4: Simplify right side
16,390,731.80x = 382,336,531,872,055.25 - Step 5: Solve for x
x = 382,336,531,872,055.25/16,390,731.80 - Step 6: Final answer
x = 23,326,385.70
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1.5x scale
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.