Finding the Fourth Proportional to 7,447,666.44, 10,282,365.03 and 5,905,158.94
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Solution
The fourth proportional to 7,447,666.44, 10,282,365.03 and 5,905,158.94 is: 8,152,754.99
Step by Step Solution
- Step 1: Write the proportion equation
7,447,666.44 : 10,282,365.03 = 5,905,158.94 : x - Step 2: Convert to fraction form
7,447,666.44/10,282,365.03 = 5,905,158.94/x - Step 3: Cross multiply
7,447,666.44x = 10,282,365.03 × 5,905,158.94 - Step 4: Simplify right side
7,447,666.44x = 60,718,999,754,109.49 - Step 5: Solve for x
x = 60,718,999,754,109.49/7,447,666.44 - Step 6: Final answer
x = 8,152,754.99
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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.