Finding the Fourth Proportional to 18,411,921.41, 27,616,881.05 and 5,632,426.11
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Solution
The fourth proportional to 18,411,921.41, 27,616,881.05 and 5,632,426.11 is: 8,448,332.93
Step by Step Solution
- Step 1: Write the proportion equation
18,411,921.41 : 27,616,881.05 = 5,632,426.11 : x - Step 2: Convert to fraction form
18,411,921.41/27,616,881.05 = 5,632,426.11/x - Step 3: Cross multiply
18,411,921.41x = 27,616,881.05 × 5,632,426.11 - Step 4: Simplify right side
18,411,921.41x = 155,550,041,902,784.22 - Step 5: Solve for x
x = 155,550,041,902,784.22/18,411,921.41 - Step 6: Final answer
x = 8,448,332.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.