Finding the Fourth Proportional to 6,827,283.20, 10,240,924.80 and 6,512,355.20
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Solution
The fourth proportional to 6,827,283.20, 10,240,924.80 and 6,512,355.20 is: 9,768,532.80
Step by Step Solution
- Step 1: Write the proportion equation
6,827,283.20 : 10,240,924.80 = 6,512,355.20 : x - Step 2: Convert to fraction form
6,827,283.20/10,240,924.80 = 6,512,355.20/x - Step 3: Cross multiply
6,827,283.20x = 10,240,924.80 × 6,512,355.20 - Step 4: Simplify right side
6,827,283.20x = 66,692,539,874,088.97 - Step 5: Solve for x
x = 66,692,539,874,088.97/6,827,283.20 - Step 6: Final answer
x = 9,768,532.80
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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.