Finding the Fourth Proportional to 10,368,084.68, 15,552,127.02 and 9,108,372.68
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Solution
The fourth proportional to 10,368,084.68, 15,552,127.02 and 9,108,372.68 is: 13,662,559.02
Step by Step Solution
- Step 1: Write the proportion equation
10,368,084.68 : 15,552,127.02 = 9,108,372.68 : x - Step 2: Convert to fraction form
10,368,084.68/15,552,127.02 = 9,108,372.68/x - Step 3: Cross multiply
10,368,084.68x = 15,552,127.02 × 9,108,372.68 - Step 4: Simplify right side
10,368,084.68x = 141,654,568,787,097.19 - Step 5: Solve for x
x = 141,654,568,787,097.19/10,368,084.68 - Step 6: Final answer
x = 13,662,559.02
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1.5x scale
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.