Finding the Fourth Proportional to 13,292,315.40, 19,936,701.46 and 3,706,891.24
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Solution
The fourth proportional to 13,292,315.40, 19,936,701.46 and 3,706,891.24 is: 5,559,842.79
Step by Step Solution
- Step 1: Write the proportion equation
13,292,315.40 : 19,936,701.46 = 3,706,891.24 : x - Step 2: Convert to fraction form
13,292,315.40/19,936,701.46 = 3,706,891.24/x - Step 3: Cross multiply
13,292,315.40x = 19,936,701.46 × 3,706,891.24 - Step 4: Simplify right side
13,292,315.40x = 73,903,183,996,569.22 - Step 5: Solve for x
x = 73,903,183,996,569.22/13,292,315.40 - Step 6: Final answer
x = 5,559,842.79
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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.