Finding the Fourth Proportional to 12,248,386.62, 18,372,627.99 and 4,961,984.19
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Solution
The fourth proportional to 12,248,386.62, 18,372,627.99 and 4,961,984.19 is: 7,442,995.75
Step by Step Solution
- Step 1: Write the proportion equation
12,248,386.62 : 18,372,627.99 = 4,961,984.19 : x - Step 2: Convert to fraction form
12,248,386.62/18,372,627.99 = 4,961,984.19/x - Step 3: Cross multiply
12,248,386.62x = 18,372,627.99 × 4,961,984.19 - Step 4: Simplify right side
12,248,386.62x = 91,164,689,615,131.48 - Step 5: Solve for x
x = 91,164,689,615,131.48/12,248,386.62 - Step 6: Final answer
x = 7,442,995.75
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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.