Finding the Fourth Proportional to 7,372,805.76, 10,174,518 and 4,109,827.68
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Solution
The fourth proportional to 7,372,805.76, 10,174,518 and 4,109,827.68 is: 5,671,587.87
Step by Step Solution
- Step 1: Write the proportion equation
7,372,805.76 : 10,174,518 = 4,109,827.68 : x - Step 2: Convert to fraction form
7,372,805.76/10,174,518 = 4,109,827.68/x - Step 3: Cross multiply
7,372,805.76x = 10,174,518 × 4,109,827.68 - Step 4: Simplify right side
7,372,805.76x = 41,815,515,707,058.24 - Step 5: Solve for x
x = 41,815,515,707,058.24/7,372,805.76 - Step 6: Final answer
x = 5,671,587.87
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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.