Finding the Fourth Proportional to 10,908,146.47, 15,053,287.76 and 6,013,261.12
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Solution
The fourth proportional to 10,908,146.47, 15,053,287.76 and 6,013,261.12 is: 8,298,325.50
Step by Step Solution
- Step 1: Write the proportion equation
10,908,146.47 : 15,053,287.76 = 6,013,261.12 : x - Step 2: Convert to fraction form
10,908,146.47/15,053,287.76 = 6,013,261.12/x - Step 3: Cross multiply
10,908,146.47x = 15,053,287.76 × 6,013,261.12 - Step 4: Simplify right side
10,908,146.47x = 90,519,350,015,379.89 - Step 5: Solve for x
x = 90,519,350,015,379.89/10,908,146.47 - Step 6: Final answer
x = 8,298,325.50
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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.