Finding the Fourth Proportional to 15,660,029.80, 23,490,044.70 and 5,424,869.80
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Solution
The fourth proportional to 15,660,029.80, 23,490,044.70 and 5,424,869.80 is: 8,137,304.70
Step by Step Solution
- Step 1: Write the proportion equation
15,660,029.80 : 23,490,044.70 = 5,424,869.80 : x - Step 2: Convert to fraction form
15,660,029.80/23,490,044.70 = 5,424,869.80/x - Step 3: Cross multiply
15,660,029.80x = 23,490,044.70 × 5,424,869.80 - Step 4: Simplify right side
15,660,029.80x = 127,430,434,093,680.05 - Step 5: Solve for x
x = 127,430,434,093,680.05/15,660,029.80 - Step 6: Final answer
x = 8,137,304.70
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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.