Finding the Fourth Proportional to 15,309,908.70, 22,941,243.45 and 13,278,623.10
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Solution
The fourth proportional to 15,309,908.70, 22,941,243.45 and 13,278,623.10 is: 19,897,448.85
Step by Step Solution
- Step 1: Write the proportion equation
15,309,908.70 : 22,941,243.45 = 13,278,623.10 : x - Step 2: Convert to fraction form
15,309,908.70/22,941,243.45 = 13,278,623.10/x - Step 3: Cross multiply
15,309,908.70x = 22,941,243.45 × 13,278,623.10 - Step 4: Simplify right side
15,309,908.70x = 304,628,125,217,893.69 - Step 5: Solve for x
x = 304,628,125,217,893.69/15,309,908.70 - Step 6: Final answer
x = 19,897,448.85
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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.