Finding the Fourth Proportional to 39,040,288.72, 53,875,597.36 and 21,639,248.26
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Solution
The fourth proportional to 39,040,288.72, 53,875,597.36 and 21,639,248.26 is: 29,862,162.00
Step by Step Solution
- Step 1: Write the proportion equation
39,040,288.72 : 53,875,597.36 = 21,639,248.26 : x - Step 2: Convert to fraction form
39,040,288.72/53,875,597.36 = 21,639,248.26/x - Step 3: Cross multiply
39,040,288.72x = 53,875,597.36 × 21,639,248.26 - Step 4: Simplify right side
39,040,288.72x = 1,165,827,426,428,840.75 - Step 5: Solve for x
x = 1,165,827,426,428,840.75/39,040,288.72 - Step 6: Final answer
x = 29,862,162.00
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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.