Finding the Fourth Proportional to 9,518,258.62, 13,135,126.36 and 5,167,233.05
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Solution
The fourth proportional to 9,518,258.62, 13,135,126.36 and 5,167,233.05 is: 7,130,743.32
Step by Step Solution
- Step 1: Write the proportion equation
9,518,258.62 : 13,135,126.36 = 5,167,233.05 : x - Step 2: Convert to fraction form
9,518,258.62/13,135,126.36 = 5,167,233.05/x - Step 3: Cross multiply
9,518,258.62x = 13,135,126.36 × 5,167,233.05 - Step 4: Simplify right side
9,518,258.62x = 67,872,259,043,318.20 - Step 5: Solve for x
x = 67,872,259,043,318.20/9,518,258.62 - Step 6: Final answer
x = 7,130,743.32
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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.