Finding the Fourth Proportional to 18,935,572.93, 28,408,419.50 and 6,805,141.47
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Solution
The fourth proportional to 18,935,572.93, 28,408,419.50 and 6,805,141.47 is: 10,209,530.73
Step by Step Solution
- Step 1: Write the proportion equation
18,935,572.93 : 28,408,419.50 = 6,805,141.47 : x - Step 2: Convert to fraction form
18,935,572.93/28,408,419.50 = 6,805,141.47/x - Step 3: Cross multiply
18,935,572.93x = 28,408,419.50 × 6,805,141.47 - Step 4: Simplify right side
18,935,572.93x = 193,323,313,602,580.97 - Step 5: Solve for x
x = 193,323,313,602,580.97/18,935,572.93 - Step 6: Final answer
x = 10,209,530.73
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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.