Finding the Fourth Proportional to 9,534,512.20, 14,301,768.30 and 5,424,701.80
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Solution
The fourth proportional to 9,534,512.20, 14,301,768.30 and 5,424,701.80 is: 8,137,052.70
Step by Step Solution
- Step 1: Write the proportion equation
9,534,512.20 : 14,301,768.30 = 5,424,701.80 : x - Step 2: Convert to fraction form
9,534,512.20/14,301,768.30 = 5,424,701.80/x - Step 3: Cross multiply
9,534,512.20x = 14,301,768.30 × 5,424,701.80 - Step 4: Simplify right side
9,534,512.20x = 77,582,828,240,192.94 - Step 5: Solve for x
x = 77,582,828,240,192.94/9,534,512.20 - Step 6: Final answer
x = 8,137,052.70
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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.