Finding the Fourth Proportional to 12,731,282.24, 17,569,393.80 and 6,930,230.72
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Solution
The fourth proportional to 12,731,282.24, 17,569,393.80 and 6,930,230.72 is: 9,563,840.50
Step by Step Solution
- Step 1: Write the proportion equation
12,731,282.24 : 17,569,393.80 = 6,930,230.72 : x - Step 2: Convert to fraction form
12,731,282.24/17,569,393.80 = 6,930,230.72/x - Step 3: Cross multiply
12,731,282.24x = 17,569,393.80 × 6,930,230.72 - Step 4: Simplify right side
12,731,282.24x = 121,759,952,644,537.53 - Step 5: Solve for x
x = 121,759,952,644,537.53/12,731,282.24 - Step 6: Final answer
x = 9,563,840.50
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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.