Finding the Fourth Proportional to 14,084,799.92, 19,429,080.36 and 8,203,740.92
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Solution
The fourth proportional to 14,084,799.92, 19,429,080.36 and 8,203,740.92 is: 11,316,535.73
Step by Step Solution
- Step 1: Write the proportion equation
14,084,799.92 : 19,429,080.36 = 8,203,740.92 : x - Step 2: Convert to fraction form
14,084,799.92/19,429,080.36 = 8,203,740.92/x - Step 3: Cross multiply
14,084,799.92x = 19,429,080.36 × 8,203,740.92 - Step 4: Simplify right side
14,084,799.92x = 159,391,141,587,300.31 - Step 5: Solve for x
x = 159,391,141,587,300.31/14,084,799.92 - Step 6: Final answer
x = 11,316,535.73
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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.