Finding the Fourth Proportional to 15,972,528.21, 22,052,730.56 and 9,448,253.41
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Solution
The fourth proportional to 15,972,528.21, 22,052,730.56 and 9,448,253.41 is: 13,044,884.56
Step by Step Solution
- Step 1: Write the proportion equation
15,972,528.21 : 22,052,730.56 = 9,448,253.41 : x - Step 2: Convert to fraction form
15,972,528.21/22,052,730.56 = 9,448,253.41/x - Step 3: Cross multiply
15,972,528.21x = 22,052,730.56 × 9,448,253.41 - Step 4: Simplify right side
15,972,528.21x = 208,359,786,666,089.94 - Step 5: Solve for x
x = 208,359,786,666,089.94/15,972,528.21 - Step 6: Final answer
x = 13,044,884.56
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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.