Finding the Fourth Proportional to 9,072,283.40, 13,608,425.10 and 4,810,257.80
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Solution
The fourth proportional to 9,072,283.40, 13,608,425.10 and 4,810,257.80 is: 7,215,386.70
Step by Step Solution
- Step 1: Write the proportion equation
9,072,283.40 : 13,608,425.10 = 4,810,257.80 : x - Step 2: Convert to fraction form
9,072,283.40/13,608,425.10 = 4,810,257.80/x - Step 3: Cross multiply
9,072,283.40x = 13,608,425.10 × 4,810,257.80 - Step 4: Simplify right side
9,072,283.40x = 65,460,032,982,990.77 - Step 5: Solve for x
x = 65,460,032,982,990.77/9,072,283.40 - Step 6: Final answer
x = 7,215,386.70
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1.5x scale
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.