Finding the Fourth Proportional to 10,555,148.81, 14,566,006.94 and 5,971,470.19
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Solution
The fourth proportional to 10,555,148.81, 14,566,006.94 and 5,971,470.19 is: 8,240,573.18
Step by Step Solution
- Step 1: Write the proportion equation
10,555,148.81 : 14,566,006.94 = 5,971,470.19 : x - Step 2: Convert to fraction form
10,555,148.81/14,566,006.94 = 5,971,470.19/x - Step 3: Cross multiply
10,555,148.81x = 14,566,006.94 × 5,971,470.19 - Step 4: Simplify right side
10,555,148.81x = 86,980,476,163,270.75 - Step 5: Solve for x
x = 86,980,476,163,270.75/10,555,148.81 - Step 6: Final answer
x = 8,240,573.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.