Finding the Fourth Proportional to 46,518,569.41, 69,777,849.49 and 12,439,029.53
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Solution
The fourth proportional to 46,518,569.41, 69,777,849.49 and 12,439,029.53 is: 18,658,543.05
Step by Step Solution
- Step 1: Write the proportion equation
46,518,569.41 : 69,777,849.49 = 12,439,029.53 : x - Step 2: Convert to fraction form
46,518,569.41/69,777,849.49 = 12,439,029.53/x - Step 3: Cross multiply
46,518,569.41x = 69,777,849.49 × 12,439,029.53 - Step 4: Simplify right side
46,518,569.41x = 867,968,729,966,018.62 - Step 5: Solve for x
x = 867,968,729,966,018.62/46,518,569.41 - Step 6: Final answer
x = 18,658,543.05
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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.