Finding the Fourth Proportional to 19,442,407.40, 29,156,612.70 and 9,854,599.40
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Solution
The fourth proportional to 19,442,407.40, 29,156,612.70 and 9,854,599.40 is: 14,778,351.88
Step by Step Solution
- Step 1: Write the proportion equation
19,442,407.40 : 29,156,612.70 = 9,854,599.40 : x - Step 2: Convert to fraction form
19,442,407.40/29,156,612.70 = 9,854,599.40/x - Step 3: Cross multiply
19,442,407.40x = 29,156,612.70 × 9,854,599.40 - Step 4: Simplify right side
19,442,407.40x = 287,326,738,019,452.38 - Step 5: Solve for x
x = 287,326,738,019,452.38/19,442,407.40 - Step 6: Final answer
x = 14,778,351.88
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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.