Finding the Fourth Proportional to 7,650,731.07, 10,557,206.20 and 4,341,971.63
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Solution
The fourth proportional to 7,650,731.07, 10,557,206.20 and 4,341,971.63 is: 5,991,465.31
Step by Step Solution
- Step 1: Write the proportion equation
7,650,731.07 : 10,557,206.20 = 4,341,971.63 : x - Step 2: Convert to fraction form
7,650,731.07/10,557,206.20 = 4,341,971.63/x - Step 3: Cross multiply
7,650,731.07x = 10,557,206.20 × 4,341,971.63 - Step 4: Simplify right side
7,650,731.07x = 45,839,089,838,853.12 - Step 5: Solve for x
x = 45,839,089,838,853.12/7,650,731.07 - Step 6: Final answer
x = 5,991,465.31
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1.5x scale
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.