Finding the Fourth Proportional to 14,384,378.96, 21,585,080.88 and 5,292,860.79
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Solution
The fourth proportional to 14,384,378.96, 21,585,080.88 and 5,292,860.79 is: 7,942,423.42
Step by Step Solution
- Step 1: Write the proportion equation
14,384,378.96 : 21,585,080.88 = 5,292,860.79 : x - Step 2: Convert to fraction form
14,384,378.96/21,585,080.88 = 5,292,860.79/x - Step 3: Cross multiply
14,384,378.96x = 21,585,080.88 × 5,292,860.79 - Step 4: Simplify right side
14,384,378.96x = 114,246,828,238,730.69 - Step 5: Solve for x
x = 114,246,828,238,730.69/14,384,378.96 - Step 6: Final answer
x = 7,942,423.42
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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.