Finding the Fourth Proportional to 38,949,438.30, 53,745,541.47 and 22,434,934.02
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Solution
The fourth proportional to 38,949,438.30, 53,745,541.47 and 22,434,934.02 is: 30,957,511.31
Step by Step Solution
- Step 1: Write the proportion equation
38,949,438.30 : 53,745,541.47 = 22,434,934.02 : x - Step 2: Convert to fraction form
38,949,438.30/53,745,541.47 = 22,434,934.02/x - Step 3: Cross multiply
38,949,438.30x = 53,745,541.47 × 22,434,934.02 - Step 4: Simplify right side
38,949,438.30x = 1,205,777,676,748,623.75 - Step 5: Solve for x
x = 1,205,777,676,748,623.75/38,949,438.30 - Step 6: Final answer
x = 30,957,511.31
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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.