Finding the Fourth Proportional to 38,472,330.76, 57,708,610.96 and 9,326,054.19
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Solution
The fourth proportional to 38,472,330.76, 57,708,610.96 and 9,326,054.19 is: 13,989,109.12
Step by Step Solution
- Step 1: Write the proportion equation
38,472,330.76 : 57,708,610.96 = 9,326,054.19 : x - Step 2: Convert to fraction form
38,472,330.76/57,708,610.96 = 9,326,054.19/x - Step 3: Cross multiply
38,472,330.76x = 57,708,610.96 × 9,326,054.19 - Step 4: Simplify right side
38,472,330.76x = 538,193,633,042,587.88 - Step 5: Solve for x
x = 538,193,633,042,587.88/38,472,330.76 - Step 6: Final answer
x = 13,989,109.12
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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.