Finding the Fourth Proportional to 53,136,277.20, 79,704,415.80 and 14,803,707.60
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Solution
The fourth proportional to 53,136,277.20, 79,704,415.80 and 14,803,707.60 is: 22,205,561.40
Step by Step Solution
- Step 1: Write the proportion equation
53,136,277.20 : 79,704,415.80 = 14,803,707.60 : x - Step 2: Convert to fraction form
53,136,277.20/79,704,415.80 = 14,803,707.60/x - Step 3: Cross multiply
53,136,277.20x = 79,704,415.80 × 14,803,707.60 - Step 4: Simplify right side
53,136,277.20x = 1,179,920,865,932,020 - Step 5: Solve for x
x = 1,179,920,865,932,020/53,136,277.20 - Step 6: Final answer
x = 22,205,561.40
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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.