Finding the Fourth Proportional to 9,775,449.92, 13,489,767.60 and 5,424,726.08
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Solution
The fourth proportional to 9,775,449.92, 13,489,767.60 and 5,424,726.08 is: 7,485,925.94
Step by Step Solution
- Step 1: Write the proportion equation
9,775,449.92 : 13,489,767.60 = 5,424,726.08 : x - Step 2: Convert to fraction form
9,775,449.92/13,489,767.60 = 5,424,726.08/x - Step 3: Cross multiply
9,775,449.92x = 13,489,767.60 × 5,424,726.08 - Step 4: Simplify right side
9,775,449.92x = 73,178,294,112,859 - Step 5: Solve for x
x = 73,178,294,112,859/9,775,449.92 - Step 6: Final answer
x = 7,485,925.94
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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.