Finding the Fourth Proportional to 33,695,439.87, 46,528,051.86 and 21,327,352.08
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Solution
The fourth proportional to 33,695,439.87, 46,528,051.86 and 21,327,352.08 is: 29,449,686.59
Step by Step Solution
- Step 1: Write the proportion equation
33,695,439.87 : 46,528,051.86 = 21,327,352.08 : x - Step 2: Convert to fraction form
33,695,439.87/46,528,051.86 = 21,327,352.08/x - Step 3: Cross multiply
33,695,439.87x = 46,528,051.86 × 21,327,352.08 - Step 4: Simplify right side
33,695,439.87x = 992,320,143,614,718.75 - Step 5: Solve for x
x = 992,320,143,614,718.75/33,695,439.87 - Step 6: Final answer
x = 29,449,686.59
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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.