Finding the Fourth Proportional to 19,715,079.20, 29,577,025.20 and 6,936,000.80
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Solution
The fourth proportional to 19,715,079.20, 29,577,025.20 and 6,936,000.80 is: 10,405,551.42
Step by Step Solution
- Step 1: Write the proportion equation
19,715,079.20 : 29,577,025.20 = 6,936,000.80 : x - Step 2: Convert to fraction form
19,715,079.20/29,577,025.20 = 6,936,000.80/x - Step 3: Cross multiply
19,715,079.20x = 29,577,025.20 × 6,936,000.80 - Step 4: Simplify right side
19,715,079.20x = 205,146,270,448,820.16 - Step 5: Solve for x
x = 205,146,270,448,820.16/19,715,079.20 - Step 6: Final answer
x = 10,405,551.42
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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.