Finding the Fourth Proportional to 7,854,656.22, 10,839,572.79 and 4,591,749.66
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Solution
The fourth proportional to 7,854,656.22, 10,839,572.79 and 4,591,749.66 is: 6,336,700.59
Step by Step Solution
- Step 1: Write the proportion equation
7,854,656.22 : 10,839,572.79 = 4,591,749.66 : x - Step 2: Convert to fraction form
7,854,656.22/10,839,572.79 = 4,591,749.66/x - Step 3: Cross multiply
7,854,656.22x = 10,839,572.79 × 4,591,749.66 - Step 4: Simplify right side
7,854,656.22x = 49,772,604,673,027.75 - Step 5: Solve for x
x = 49,772,604,673,027.75/7,854,656.22 - Step 6: Final answer
x = 6,336,700.59
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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.