Finding the Fourth Proportional to 19,683,946.80, 29,525,920.20 and 14,582,113.20
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Solution
The fourth proportional to 19,683,946.80, 29,525,920.20 and 14,582,113.20 is: 21,873,169.80
Step by Step Solution
- Step 1: Write the proportion equation
19,683,946.80 : 29,525,920.20 = 14,582,113.20 : x - Step 2: Convert to fraction form
19,683,946.80/29,525,920.20 = 14,582,113.20/x - Step 3: Cross multiply
19,683,946.80x = 29,525,920.20 × 14,582,113.20 - Step 4: Simplify right side
19,683,946.80x = 430,550,310,690,566.62 - Step 5: Solve for x
x = 430,550,310,690,566.62/19,683,946.80 - Step 6: Final answer
x = 21,873,169.80
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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.