Finding the Fourth Proportional to 12,763,135.20, 19,128,737.64 and 6,375,170.64
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Solution
The fourth proportional to 12,763,135.20, 19,128,737.64 and 6,375,170.64 is: 9,554,781.38
Step by Step Solution
- Step 1: Write the proportion equation
12,763,135.20 : 19,128,737.64 = 6,375,170.64 : x - Step 2: Convert to fraction form
12,763,135.20/19,128,737.64 = 6,375,170.64/x - Step 3: Cross multiply
12,763,135.20x = 19,128,737.64 × 6,375,170.64 - Step 4: Simplify right side
12,763,135.20x = 121,948,966,582,790.89 - Step 5: Solve for x
x = 121,948,966,582,790.89/12,763,135.20 - Step 6: Final answer
x = 9,554,781.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.