Finding the Fourth Proportional to 36,730,896.12, 55,079,318.63 and 13,695,645.65
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Solution
The fourth proportional to 36,730,896.12, 55,079,318.63 and 13,695,645.65 is: 20,537,120.25
Step by Step Solution
- Step 1: Write the proportion equation
36,730,896.12 : 55,079,318.63 = 13,695,645.65 : x - Step 2: Convert to fraction form
36,730,896.12/55,079,318.63 = 13,695,645.65/x - Step 3: Cross multiply
36,730,896.12x = 55,079,318.63 × 13,695,645.65 - Step 4: Simplify right side
36,730,896.12x = 754,346,830,428,159.25 - Step 5: Solve for x
x = 754,346,830,428,159.25/36,730,896.12 - Step 6: Final answer
x = 20,537,120.25
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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.