Finding the Fourth Proportional to 34,340,121.60, 47,342,014.64 and 27,394,377.28
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Solution
The fourth proportional to 34,340,121.60, 47,342,014.64 and 27,394,377.28 is: 37,766,465.28
Step by Step Solution
- Step 1: Write the proportion equation
34,340,121.60 : 47,342,014.64 = 27,394,377.28 : x - Step 2: Convert to fraction form
34,340,121.60/47,342,014.64 = 27,394,377.28/x - Step 3: Cross multiply
34,340,121.60x = 47,342,014.64 × 27,394,377.28 - Step 4: Simplify right side
34,340,121.60x = 1,296,905,010,243,443.50 - Step 5: Solve for x
x = 1,296,905,010,243,443.50/34,340,121.60 - Step 6: Final answer
x = 37,766,465.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.