Finding the Fourth Proportional to 10,248,645.42, 15,372,968.13 and 4,186,237.68
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Solution
The fourth proportional to 10,248,645.42, 15,372,968.13 and 4,186,237.68 is: 6,279,356.52
Step by Step Solution
- Step 1: Write the proportion equation
10,248,645.42 : 15,372,968.13 = 4,186,237.68 : x - Step 2: Convert to fraction form
10,248,645.42/15,372,968.13 = 4,186,237.68/x - Step 3: Cross multiply
10,248,645.42x = 15,372,968.13 × 4,186,237.68 - Step 4: Simplify right side
10,248,645.42x = 64,354,898,439,245.14 - Step 5: Solve for x
x = 64,354,898,439,245.14/10,248,645.42 - Step 6: Final answer
x = 6,279,356.52
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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.