Finding the Fourth Proportional to 38,438,196.12, 53,102,326.14 and 25,238,688.84
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Solution
The fourth proportional to 38,438,196.12, 53,102,326.14 and 25,238,688.84 is: 34,867,221.19
Step by Step Solution
- Step 1: Write the proportion equation
38,438,196.12 : 53,102,326.14 = 25,238,688.84 : x - Step 2: Convert to fraction form
38,438,196.12/53,102,326.14 = 25,238,688.84/x - Step 3: Cross multiply
38,438,196.12x = 53,102,326.14 × 25,238,688.84 - Step 4: Simplify right side
38,438,196.12x = 1,340,233,086,127,658.25 - Step 5: Solve for x
x = 1,340,233,086,127,658.25/38,438,196.12 - Step 6: Final answer
x = 34,867,221.19
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1.5x scale
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.