Finding the Fourth Proportional to 38,273,394.88, 52,774,379.04 and 31,282,382.08
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Solution
The fourth proportional to 38,273,394.88, 52,774,379.04 and 31,282,382.08 is: 43,134,618.56
Step by Step Solution
- Step 1: Write the proportion equation
38,273,394.88 : 52,774,379.04 = 31,282,382.08 : x - Step 2: Convert to fraction form
38,273,394.88/52,774,379.04 = 31,282,382.08/x - Step 3: Cross multiply
38,273,394.88x = 52,774,379.04 × 31,282,382.08 - Step 4: Simplify right side
38,273,394.88x = 1,650,908,289,164,023.50 - Step 5: Solve for x
x = 1,650,908,289,164,023.50/38,273,394.88 - Step 6: Final answer
x = 43,134,618.56
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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.