Finding the Fourth Proportional to 13,313,638.14, 19,971,593.21 and 4,676,983.76
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Solution
The fourth proportional to 13,313,638.14, 19,971,593.21 and 4,676,983.76 is: 7,015,874.70
Step by Step Solution
- Step 1: Write the proportion equation
13,313,638.14 : 19,971,593.21 = 4,676,983.76 : x - Step 2: Convert to fraction form
13,313,638.14/19,971,593.21 = 4,676,983.76/x - Step 3: Cross multiply
13,313,638.14x = 19,971,593.21 × 4,676,983.76 - Step 4: Simplify right side
13,313,638.14x = 93,406,817,016,330.75 - Step 5: Solve for x
x = 93,406,817,016,330.75/13,313,638.14 - Step 6: Final answer
x = 7,015,874.70
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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.