Finding the Fourth Proportional to 47,159,803.20, 70,739,704.84 and 13,081,149.02
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Solution
The fourth proportional to 47,159,803.20, 70,739,704.84 and 13,081,149.02 is: 19,621,723.54
Step by Step Solution
- Step 1: Write the proportion equation
47,159,803.20 : 70,739,704.84 = 13,081,149.02 : x - Step 2: Convert to fraction form
47,159,803.20/70,739,704.84 = 13,081,149.02/x - Step 3: Cross multiply
47,159,803.20x = 70,739,704.84 × 13,081,149.02 - Step 4: Simplify right side
47,159,803.20x = 925,356,620,642,855.25 - Step 5: Solve for x
x = 925,356,620,642,855.25/47,159,803.20 - Step 6: Final answer
x = 19,621,723.54
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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.