Finding the Fourth Proportional to 16,390,661.80, 24,585,992.70 and 15,550,853.80
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Solution
The fourth proportional to 16,390,661.80, 24,585,992.70 and 15,550,853.80 is: 23,326,280.70
Step by Step Solution
- Step 1: Write the proportion equation
16,390,661.80 : 24,585,992.70 = 15,550,853.80 : x - Step 2: Convert to fraction form
16,390,661.80/24,585,992.70 = 15,550,853.80/x - Step 3: Cross multiply
16,390,661.80x = 24,585,992.70 × 15,550,853.80 - Step 4: Simplify right side
16,390,661.80x = 382,333,178,005,567.25 - Step 5: Solve for x
x = 382,333,178,005,567.25/16,390,661.80 - Step 6: Final answer
x = 23,326,280.70
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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.