Finding the Fourth Proportional to 18,411,909.34, 27,616,862.93 and 5,632,414.06
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Solution
The fourth proportional to 18,411,909.34, 27,616,862.93 and 5,632,414.06 is: 8,448,314.84
Step by Step Solution
- Step 1: Write the proportion equation
18,411,909.34 : 27,616,862.93 = 5,632,414.06 : x - Step 2: Convert to fraction form
18,411,909.34/27,616,862.93 = 5,632,414.06/x - Step 3: Cross multiply
18,411,909.34x = 27,616,862.93 × 5,632,414.06 - Step 4: Simplify right side
18,411,909.34x = 155,549,606,893,778.41 - Step 5: Solve for x
x = 155,549,606,893,778.41/18,411,909.34 - Step 6: Final answer
x = 8,448,314.84
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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.