Finding the Fourth Proportional to 7,785,212.64, 11,676,551.04 and 2,735,344.32
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Solution
The fourth proportional to 7,785,212.64, 11,676,551.04 and 2,735,344.32 is: 4,102,570.99
Step by Step Solution
- Step 1: Write the proportion equation
7,785,212.64 : 11,676,551.04 = 2,735,344.32 : x - Step 2: Convert to fraction form
7,785,212.64/11,676,551.04 = 2,735,344.32/x - Step 3: Cross multiply
7,785,212.64x = 11,676,551.04 × 2,735,344.32 - Step 4: Simplify right side
7,785,212.64x = 31,939,387,564,454.09 - Step 5: Solve for x
x = 31,939,387,564,454.09/7,785,212.64 - Step 6: Final answer
x = 4,102,570.99
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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.