Finding the Fourth Proportional to 17,478,703.60, 24,122,047.49 and 9,639,749.39
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Solution
The fourth proportional to 17,478,703.60, 24,122,047.49 and 9,639,749.39 is: 13,303,646.41
Step by Step Solution
- Step 1: Write the proportion equation
17,478,703.60 : 24,122,047.49 = 9,639,749.39 : x - Step 2: Convert to fraction form
17,478,703.60/24,122,047.49 = 9,639,749.39/x - Step 3: Cross multiply
17,478,703.60x = 24,122,047.49 × 9,639,749.39 - Step 4: Simplify right side
17,478,703.60x = 232,530,492,444,618.59 - Step 5: Solve for x
x = 232,530,492,444,618.59/17,478,703.60 - Step 6: Final answer
x = 13,303,646.41
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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.