Finding the Fourth Proportional to 39,127,045.55, 53,992,825.02 and 21,723,386.09
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Solution
The fourth proportional to 39,127,045.55, 53,992,825.02 and 21,723,386.09 is: 29,976,886.00
Step by Step Solution
- Step 1: Write the proportion equation
39,127,045.55 : 53,992,825.02 = 21,723,386.09 : x - Step 2: Convert to fraction form
39,127,045.55/53,992,825.02 = 21,723,386.09/x - Step 3: Cross multiply
39,127,045.55x = 53,992,825.02 × 21,723,386.09 - Step 4: Simplify right side
39,127,045.55x = 1,172,906,983,729,308 - Step 5: Solve for x
x = 1,172,906,983,729,308/39,127,045.55 - Step 6: Final answer
x = 29,976,886.00
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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.