Finding the Fourth Proportional to 7,447,193.76, 10,276,567.15 and 4,183,371.05
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Solution
The fourth proportional to 7,447,193.76, 10,276,567.15 and 4,183,371.05 is: 5,772,737.34
Step by Step Solution
- Step 1: Write the proportion equation
7,447,193.76 : 10,276,567.15 = 4,183,371.05 : x - Step 2: Convert to fraction form
7,447,193.76/10,276,567.15 = 4,183,371.05/x - Step 3: Cross multiply
7,447,193.76x = 10,276,567.15 × 4,183,371.05 - Step 4: Simplify right side
7,447,193.76x = 42,990,693,487,774.15 - Step 5: Solve for x
x = 42,990,693,487,774.15/7,447,193.76 - Step 6: Final answer
x = 5,772,737.34
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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.