Finding the Fourth Proportional to 10,458,293.74, 15,688,344.35 and 2,885,259.49
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Solution
The fourth proportional to 10,458,293.74, 15,688,344.35 and 2,885,259.49 is: 4,328,138.56
Step by Step Solution
- Step 1: Write the proportion equation
10,458,293.74 : 15,688,344.35 = 2,885,259.49 : x - Step 2: Convert to fraction form
10,458,293.74/15,688,344.35 = 2,885,259.49/x - Step 3: Cross multiply
10,458,293.74x = 15,688,344.35 × 2,885,259.49 - Step 4: Simplify right side
10,458,293.74x = 45,264,944,403,799.09 - Step 5: Solve for x
x = 45,264,944,403,799.09/10,458,293.74 - Step 6: Final answer
x = 4,328,138.56
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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.