Finding the Fourth Proportional to 57,992,864.73, 86,931,837.65 and 27,232,379.79
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Solution
The fourth proportional to 57,992,864.73, 86,931,837.65 and 27,232,379.79 is: 40,821,587.79
Step by Step Solution
- Step 1: Write the proportion equation
57,992,864.73 : 86,931,837.65 = 27,232,379.79 : x - Step 2: Convert to fraction form
57,992,864.73/86,931,837.65 = 27,232,379.79/x - Step 3: Cross multiply
57,992,864.73x = 86,931,837.65 × 27,232,379.79 - Step 4: Simplify right side
57,992,864.73x = 2,367,360,818,727,421 - Step 5: Solve for x
x = 2,367,360,818,727,421/57,992,864.73 - Step 6: Final answer
x = 40,821,587.79
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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.