Finding the Fourth Proportional to 7,209,546.84, 9,959,980.32 and 4,734,639.36
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Solution
The fourth proportional to 7,209,546.84, 9,959,980.32 and 4,734,639.36 is: 6,540,898.60
Step by Step Solution
- Step 1: Write the proportion equation
7,209,546.84 : 9,959,980.32 = 4,734,639.36 : x - Step 2: Convert to fraction form
7,209,546.84/9,959,980.32 = 4,734,639.36/x - Step 3: Cross multiply
7,209,546.84x = 9,959,980.32 × 4,734,639.36 - Step 4: Simplify right side
7,209,546.84x = 47,156,914,847,897.40 - Step 5: Solve for x
x = 47,156,914,847,897.40/7,209,546.84 - Step 6: Final answer
x = 6,540,898.60
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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.