Finding the Fourth Proportional to 35,639,646.21, 49,182,711.73 and 19,342,122.21
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Solution
The fourth proportional to 35,639,646.21, 49,182,711.73 and 19,342,122.21 is: 26,692,128.63
Step by Step Solution
- Step 1: Write the proportion equation
35,639,646.21 : 49,182,711.73 = 19,342,122.21 : x - Step 2: Convert to fraction form
35,639,646.21/49,182,711.73 = 19,342,122.21/x - Step 3: Cross multiply
35,639,646.21x = 49,182,711.73 × 19,342,122.21 - Step 4: Simplify right side
35,639,646.21x = 951,298,020,852,505.25 - Step 5: Solve for x
x = 951,298,020,852,505.25/35,639,646.21 - Step 6: Final answer
x = 26,692,128.63
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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.