Finding the Fourth Proportional to 7,893,498.09, 11,840,247.60 and 1,909,866.09
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Solution
The fourth proportional to 7,893,498.09, 11,840,247.60 and 1,909,866.09 is: 2,864,799.25
Step by Step Solution
- Step 1: Write the proportion equation
7,893,498.09 : 11,840,247.60 = 1,909,866.09 : x - Step 2: Convert to fraction form
7,893,498.09/11,840,247.60 = 1,909,866.09/x - Step 3: Cross multiply
7,893,498.09x = 11,840,247.60 × 1,909,866.09 - Step 4: Simplify right side
7,893,498.09x = 22,613,287,425,682.81 - Step 5: Solve for x
x = 22,613,287,425,682.81/7,893,498.09 - Step 6: Final answer
x = 2,864,799.25
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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.