Finding the Fourth Proportional to 19,861,975.00, 29,793,521.55 and 5,485,042.85
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Solution
The fourth proportional to 19,861,975.00, 29,793,521.55 and 5,485,042.85 is: 8,227,718.66
Step by Step Solution
- Step 1: Write the proportion equation
19,861,975.00 : 29,793,521.55 = 5,485,042.85 : x - Step 2: Convert to fraction form
19,861,975.00/29,793,521.55 = 5,485,042.85/x - Step 3: Cross multiply
19,861,975.00x = 29,793,521.55 × 5,485,042.85 - Step 4: Simplify right side
19,861,975.00x = 163,418,742,354,148.41 - Step 5: Solve for x
x = 163,418,742,354,148.41/19,861,975.00 - Step 6: Final answer
x = 8,227,718.66
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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.