Finding the Fourth Proportional to 19,782,823.80, 29,674,235.70 and 6,135,943.80
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Solution
The fourth proportional to 19,782,823.80, 29,674,235.70 and 6,135,943.80 is: 9,203,915.70
Step by Step Solution
- Step 1: Write the proportion equation
19,782,823.80 : 29,674,235.70 = 6,135,943.80 : x - Step 2: Convert to fraction form
19,782,823.80/29,674,235.70 = 6,135,943.80/x - Step 3: Cross multiply
19,782,823.80x = 29,674,235.70 × 6,135,943.80 - Step 4: Simplify right side
19,782,823.80x = 182,079,442,563,153.66 - Step 5: Solve for x
x = 182,079,442,563,153.66/19,782,823.80 - Step 6: Final answer
x = 9,203,915.70
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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.