Finding the Fourth Proportional to 18,344,551.20, 27,509,828.40 and 5,560,807.20
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Solution
The fourth proportional to 18,344,551.20, 27,509,828.40 and 5,560,807.20 is: 8,339,089.37
Step by Step Solution
- Step 1: Write the proportion equation
18,344,551.20 : 27,509,828.40 = 5,560,807.20 : x - Step 2: Convert to fraction form
18,344,551.20/27,509,828.40 = 5,560,807.20/x - Step 3: Cross multiply
18,344,551.20x = 27,509,828.40 × 5,560,807.20 - Step 4: Simplify right side
18,344,551.20x = 152,976,851,837,484.47 - Step 5: Solve for x
x = 152,976,851,837,484.47/18,344,551.20 - Step 6: Final answer
x = 8,339,089.37
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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.