Finding the Fourth Proportional to 10,458,276.51, 15,688,318.43 and 2,885,242.26
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Solution
The fourth proportional to 10,458,276.51, 15,688,318.43 and 2,885,242.26 is: 4,328,112.69
Step by Step Solution
- Step 1: Write the proportion equation
10,458,276.51 : 15,688,318.43 = 2,885,242.26 : x - Step 2: Convert to fraction form
10,458,276.51/15,688,318.43 = 2,885,242.26/x - Step 3: Cross multiply
10,458,276.51x = 15,688,318.43 × 2,885,242.26 - Step 4: Simplify right side
10,458,276.51x = 45,264,599,322,572.84 - Step 5: Solve for x
x = 45,264,599,322,572.84/10,458,276.51 - Step 6: Final answer
x = 4,328,112.69
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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.