Finding the Fourth Proportional to 45,542,689.90, 62,849,620.65 and 24,916,480.54
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Solution
The fourth proportional to 45,542,689.90, 62,849,620.65 and 24,916,480.54 is: 34,385,130.81
Step by Step Solution
- Step 1: Write the proportion equation
45,542,689.90 : 62,849,620.65 = 24,916,480.54 : x - Step 2: Convert to fraction form
45,542,689.90/62,849,620.65 = 24,916,480.54/x - Step 3: Cross multiply
45,542,689.90x = 62,849,620.65 × 24,916,480.54 - Step 4: Simplify right side
45,542,689.90x = 1,565,991,349,872,107 - Step 5: Solve for x
x = 1,565,991,349,872,107/45,542,689.90 - Step 6: Final answer
x = 34,385,130.81
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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.