Finding the Fourth Proportional to 13,276,457.19, 19,918,229.76 and 4,757,654.79
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Solution
The fourth proportional to 13,276,457.19, 19,918,229.76 and 4,757,654.79 is: 7,137,752.18
Step by Step Solution
- Step 1: Write the proportion equation
13,276,457.19 : 19,918,229.76 = 4,757,654.79 : x - Step 2: Convert to fraction form
13,276,457.19/19,918,229.76 = 4,757,654.79/x - Step 3: Cross multiply
13,276,457.19x = 19,918,229.76 × 4,757,654.79 - Step 4: Simplify right side
13,276,457.19x = 94,764,061,202,196.27 - Step 5: Solve for x
x = 94,764,061,202,196.27/13,276,457.19 - Step 6: Final answer
x = 7,137,752.18
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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.