Finding the Fourth Proportional to 7,698,427.29, 10,622,646.20 and 4,434,604.53
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Solution
The fourth proportional to 7,698,427.29, 10,622,646.20 and 4,434,604.53 is: 6,119,072.53
Step by Step Solution
- Step 1: Write the proportion equation
7,698,427.29 : 10,622,646.20 = 4,434,604.53 : x - Step 2: Convert to fraction form
7,698,427.29/10,622,646.20 = 4,434,604.53/x - Step 3: Cross multiply
7,698,427.29x = 10,622,646.20 × 4,434,604.53 - Step 4: Simplify right side
7,698,427.29x = 47,107,234,936,934.27 - Step 5: Solve for x
x = 47,107,234,936,934.27/7,698,427.29 - Step 6: Final answer
x = 6,119,072.53
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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.