Finding the Fourth Proportional to 11,392,313.85, 15,718,284.09 and 6,495,750.18
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Solution
The fourth proportional to 11,392,313.85, 15,718,284.09 and 6,495,750.18 is: 8,962,362.52
Step by Step Solution
- Step 1: Write the proportion equation
11,392,313.85 : 15,718,284.09 = 6,495,750.18 : x - Step 2: Convert to fraction form
11,392,313.85/15,718,284.09 = 6,495,750.18/x - Step 3: Cross multiply
11,392,313.85x = 15,718,284.09 × 6,495,750.18 - Step 4: Simplify right side
11,392,313.85x = 102,102,046,706,908.62 - Step 5: Solve for x
x = 102,102,046,706,908.62/11,392,313.85 - Step 6: Final answer
x = 8,962,362.52
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1.5x scale
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.