Finding the Fourth Proportional to 10,368,425.70, 15,552,638.55 and 3,181,068.90
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Solution
The fourth proportional to 10,368,425.70, 15,552,638.55 and 3,181,068.90 is: 4,771,603.35
Step by Step Solution
- Step 1: Write the proportion equation
10,368,425.70 : 15,552,638.55 = 3,181,068.90 : x - Step 2: Convert to fraction form
10,368,425.70/15,552,638.55 = 3,181,068.90/x - Step 3: Cross multiply
10,368,425.70x = 15,552,638.55 × 3,181,068.90 - Step 4: Simplify right side
10,368,425.70x = 49,474,014,804,346.09 - Step 5: Solve for x
x = 49,474,014,804,346.09/10,368,425.70 - Step 6: Final answer
x = 4,771,603.35
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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.