Finding the Fourth Proportional to 10,368,743.70, 15,553,115.55 and 10,368,743.70
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Solution
The fourth proportional to 10,368,743.70, 15,553,115.55 and 10,368,743.70 is: 15,553,115.55
Step by Step Solution
- Step 1: Write the proportion equation
10,368,743.70 : 15,553,115.55 = 10,368,743.70 : x - Step 2: Convert to fraction form
10,368,743.70/15,553,115.55 = 10,368,743.70/x - Step 3: Cross multiply
10,368,743.70x = 15,553,115.55 × 10,368,743.70 - Step 4: Simplify right side
10,368,743.70x = 161,266,268,874,434.53 - Step 5: Solve for x
x = 161,266,268,874,434.53/10,368,743.70 - Step 6: Final answer
x = 15,553,115.55
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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.