Finding the Fourth Proportional to 19,683,026.20, 29,524,539.30 and 17,698,979.80
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Solution
The fourth proportional to 19,683,026.20, 29,524,539.30 and 17,698,979.80 is: 26,548,469.70
Step by Step Solution
- Step 1: Write the proportion equation
19,683,026.20 : 29,524,539.30 = 17,698,979.80 : x - Step 2: Convert to fraction form
19,683,026.20/29,524,539.30 = 17,698,979.80/x - Step 3: Cross multiply
19,683,026.20x = 29,524,539.30 × 17,698,979.80 - Step 4: Simplify right side
19,683,026.20x = 522,554,224,675,006.19 - Step 5: Solve for x
x = 522,554,224,675,006.19/19,683,026.20 - Step 6: Final answer
x = 26,548,469.70
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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.