Finding the Fourth Proportional to 19,684,181.80, 29,526,272.70 and 14,582,348.20
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Solution
The fourth proportional to 19,684,181.80, 29,526,272.70 and 14,582,348.20 is: 21,873,522.30
Step by Step Solution
- Step 1: Write the proportion equation
19,684,181.80 : 29,526,272.70 = 14,582,348.20 : x - Step 2: Convert to fraction form
19,684,181.80/29,526,272.70 = 14,582,348.20/x - Step 3: Cross multiply
19,684,181.80x = 29,526,272.70 × 14,582,348.20 - Step 4: Simplify right side
19,684,181.80x = 430,562,389,559,554.12 - Step 5: Solve for x
x = 430,562,389,559,554.12/19,684,181.80 - Step 6: Final answer
x = 21,873,522.30
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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.