Finding the Fourth Proportional to 18,009,335.98, 24,852,891.52 and 9,749,398.14
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Solution
The fourth proportional to 18,009,335.98, 24,852,891.52 and 9,749,398.14 is: 13,454,173.69
Step by Step Solution
- Step 1: Write the proportion equation
18,009,335.98 : 24,852,891.52 = 9,749,398.14 : x - Step 2: Convert to fraction form
18,009,335.98/24,852,891.52 = 9,749,398.14/x - Step 3: Cross multiply
18,009,335.98x = 24,852,891.52 × 9,749,398.14 - Step 4: Simplify right side
18,009,335.98x = 242,300,734,370,896.53 - Step 5: Solve for x
x = 242,300,734,370,896.53/18,009,335.98 - Step 6: Final answer
x = 13,454,173.69
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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.