Finding the Fourth Proportional to 30,690,701.84, 42,352,522.44 and 16,751,596.88
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Solution
The fourth proportional to 30,690,701.84, 42,352,522.44 and 16,751,596.88 is: 23,116,851.04
Step by Step Solution
- Step 1: Write the proportion equation
30,690,701.84 : 42,352,522.44 = 16,751,596.88 : x - Step 2: Convert to fraction form
30,690,701.84/42,352,522.44 = 16,751,596.88/x - Step 3: Cross multiply
30,690,701.84x = 42,352,522.44 × 16,751,596.88 - Step 4: Simplify right side
30,690,701.84x = 709,472,382,766,034 - Step 5: Solve for x
x = 709,472,382,766,034/30,690,701.84 - Step 6: Final answer
x = 23,116,851.04
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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.