Finding the Fourth Proportional to 18,972,087.84, 26,163,795.12 and 17,562,959.52
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Solution
The fourth proportional to 18,972,087.84, 26,163,795.12 and 17,562,959.52 is: 24,220,511.65
Step by Step Solution
- Step 1: Write the proportion equation
18,972,087.84 : 26,163,795.12 = 17,562,959.52 : x - Step 2: Convert to fraction form
18,972,087.84/26,163,795.12 = 17,562,959.52/x - Step 3: Cross multiply
18,972,087.84x = 26,163,795.12 × 17,562,959.52 - Step 4: Simplify right side
18,972,087.84x = 459,513,674,582,133.56 - Step 5: Solve for x
x = 459,513,674,582,133.56/18,972,087.84 - Step 6: Final answer
x = 24,220,511.65
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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.