Finding the Fourth Proportional to 33,772,349.13, 46,509,181.35 and 31,667,909.76
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Solution
The fourth proportional to 33,772,349.13, 46,509,181.35 and 31,667,909.76 is: 43,611,078.17
Step by Step Solution
- Step 1: Write the proportion equation
33,772,349.13 : 46,509,181.35 = 31,667,909.76 : x - Step 2: Convert to fraction form
33,772,349.13/46,509,181.35 = 31,667,909.76/x - Step 3: Cross multiply
33,772,349.13x = 46,509,181.35 × 31,667,909.76 - Step 4: Simplify right side
33,772,349.13x = 1,472,848,558,003,275 - Step 5: Solve for x
x = 1,472,848,558,003,275/33,772,349.13 - Step 6: Final answer
x = 43,611,078.17
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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.