Finding the Fourth Proportional to 14,275,612.49, 19,700,370.22 and 7,749,246.37
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Solution
The fourth proportional to 14,275,612.49, 19,700,370.22 and 7,749,246.37 is: 10,693,973.55
Step by Step Solution
- Step 1: Write the proportion equation
14,275,612.49 : 19,700,370.22 = 7,749,246.37 : x - Step 2: Convert to fraction form
14,275,612.49/19,700,370.22 = 7,749,246.37/x - Step 3: Cross multiply
14,275,612.49x = 19,700,370.22 × 7,749,246.37 - Step 4: Simplify right side
14,275,612.49x = 152,663,022,277,743.03 - Step 5: Solve for x
x = 152,663,022,277,743.03/14,275,612.49 - Step 6: Final answer
x = 10,693,973.55
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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.