Finding the Fourth Proportional to 25,639,733.12, 35,382,935.36 and 14,038,376.09
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Solution
The fourth proportional to 25,639,733.12, 35,382,935.36 and 14,038,376.09 is: 19,373,015.76
Step by Step Solution
- Step 1: Write the proportion equation
25,639,733.12 : 35,382,935.36 = 14,038,376.09 : x - Step 2: Convert to fraction form
25,639,733.12/35,382,935.36 = 14,038,376.09/x - Step 3: Cross multiply
25,639,733.12x = 35,382,935.36 × 14,038,376.09 - Step 4: Simplify right side
25,639,733.12x = 496,718,953,610,020.81 - Step 5: Solve for x
x = 496,718,953,610,020.81/25,639,733.12 - Step 6: Final answer
x = 19,373,015.76
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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.