Finding the Fourth Proportional to 31,011,804.81, 46,528,065.50 and 13,737,658.95
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Solution
The fourth proportional to 31,011,804.81, 46,528,065.50 and 13,737,658.95 is: 20,611,076.95
Step by Step Solution
- Step 1: Write the proportion equation
31,011,804.81 : 46,528,065.50 = 13,737,658.95 : x - Step 2: Convert to fraction form
31,011,804.81/46,528,065.50 = 13,737,658.95/x - Step 3: Cross multiply
31,011,804.81x = 46,528,065.50 × 13,737,658.95 - Step 4: Simplify right side
31,011,804.81x = 639,186,695,373,572.88 - Step 5: Solve for x
x = 639,186,695,373,572.88/31,011,804.81 - Step 6: Final answer
x = 20,611,076.95
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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.