Finding the Fourth Proportional to 28,446,550.93, 39,256,240.43 and 15,393,809.98
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Solution
The fourth proportional to 28,446,550.93, 39,256,240.43 and 15,393,809.98 is: 21,243,457.85
Step by Step Solution
- Step 1: Write the proportion equation
28,446,550.93 : 39,256,240.43 = 15,393,809.98 : x - Step 2: Convert to fraction form
28,446,550.93/39,256,240.43 = 15,393,809.98/x - Step 3: Cross multiply
28,446,550.93x = 39,256,240.43 × 15,393,809.98 - Step 4: Simplify right side
28,446,550.93x = 604,303,105,708,613.50 - Step 5: Solve for x
x = 604,303,105,708,613.50/28,446,550.93 - Step 6: Final answer
x = 21,243,457.85
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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.