Finding the Fourth Proportional to 19,180,722.65, 28,771,100.37 and 5,347,132.99
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Solution
The fourth proportional to 19,180,722.65, 28,771,100.37 and 5,347,132.99 is: 8,020,704.05
Step by Step Solution
- Step 1: Write the proportion equation
19,180,722.65 : 28,771,100.37 = 5,347,132.99 : x - Step 2: Convert to fraction form
19,180,722.65/28,771,100.37 = 5,347,132.99/x - Step 3: Cross multiply
19,180,722.65x = 28,771,100.37 × 5,347,132.99 - Step 4: Simplify right side
19,180,722.65x = 153,842,899,875,100.47 - Step 5: Solve for x
x = 153,842,899,875,100.47/19,180,722.65 - Step 6: Final answer
x = 8,020,704.05
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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.