Finding the Fourth Proportional to 19,131,623.55, 28,677,658.13 and 8,888,125.95
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Solution
The fourth proportional to 19,131,623.55, 28,677,658.13 and 8,888,125.95 is: 13,323,000.88
Step by Step Solution
- Step 1: Write the proportion equation
19,131,623.55 : 28,677,658.13 = 8,888,125.95 : x - Step 2: Convert to fraction form
19,131,623.55/28,677,658.13 = 8,888,125.95/x - Step 3: Cross multiply
19,131,623.55x = 28,677,658.13 × 8,888,125.95 - Step 4: Simplify right side
19,131,623.55x = 254,890,637,366,040.81 - Step 5: Solve for x
x = 254,890,637,366,040.81/19,131,623.55 - Step 6: Final answer
x = 13,323,000.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.