Finding the Fourth Proportional to 47,309,765.81, 70,976,634.68 and 14,521,996.98
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Solution
The fourth proportional to 47,309,765.81, 70,976,634.68 and 14,521,996.98 is: 21,786,674.63
Step by Step Solution
- Step 1: Write the proportion equation
47,309,765.81 : 70,976,634.68 = 14,521,996.98 : x - Step 2: Convert to fraction form
47,309,765.81/70,976,634.68 = 14,521,996.98/x - Step 3: Cross multiply
47,309,765.81x = 70,976,634.68 × 14,521,996.98 - Step 4: Simplify right side
47,309,765.81x = 1,030,722,474,400,913.25 - Step 5: Solve for x
x = 1,030,722,474,400,913.25/47,309,765.81 - Step 6: Final answer
x = 21,786,674.63
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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.