Finding the Fourth Proportional to 9,658,905.20, 14,504,946.60 and 6,838,809.20
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Solution
The fourth proportional to 9,658,905.20, 14,504,946.60 and 6,838,809.20 is: 10,269,959.19
Step by Step Solution
- Step 1: Write the proportion equation
9,658,905.20 : 14,504,946.60 = 6,838,809.20 : x - Step 2: Convert to fraction form
9,658,905.20/14,504,946.60 = 6,838,809.20/x - Step 3: Cross multiply
9,658,905.20x = 14,504,946.60 × 6,838,809.20 - Step 4: Simplify right side
9,658,905.20x = 99,196,562,253,588.72 - Step 5: Solve for x
x = 99,196,562,253,588.72/9,658,905.20 - Step 6: Final answer
x = 10,269,959.19
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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.