Finding the Fourth Proportional to 15,985,542.88, 22,060,574.05 and 8,742,198.88
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Solution
The fourth proportional to 15,985,542.88, 22,060,574.05 and 8,742,198.88 is: 12,064,521.50
Step by Step Solution
- Step 1: Write the proportion equation
15,985,542.88 : 22,060,574.05 = 8,742,198.88 : x - Step 2: Convert to fraction form
15,985,542.88/22,060,574.05 = 8,742,198.88/x - Step 3: Cross multiply
15,985,542.88x = 22,060,574.05 × 8,742,198.88 - Step 4: Simplify right side
15,985,542.88x = 192,857,925,641,764.19 - Step 5: Solve for x
x = 192,857,925,641,764.19/15,985,542.88 - Step 6: Final answer
x = 12,064,521.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.