Finding the Fourth Proportional to 13,165,328.74, 19,740,892.24 and 5,972,938.60
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Solution
The fourth proportional to 13,165,328.74, 19,740,892.24 and 5,972,938.60 is: 8,956,186.33
Step by Step Solution
- Step 1: Write the proportion equation
13,165,328.74 : 19,740,892.24 = 5,972,938.60 : x - Step 2: Convert to fraction form
13,165,328.74/19,740,892.24 = 5,972,938.60/x - Step 3: Cross multiply
13,165,328.74x = 19,740,892.24 × 5,972,938.60 - Step 4: Simplify right side
13,165,328.74x = 117,911,137,258,736.45 - Step 5: Solve for x
x = 117,911,137,258,736.45/13,165,328.74 - Step 6: Final answer
x = 8,956,186.33
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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.