Finding the Fourth Proportional to 18,424,813.52, 27,640,762.64 and 7,064,376.08
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Solution
The fourth proportional to 18,424,813.52, 27,640,762.64 and 7,064,376.08 is: 10,597,922.32
Step by Step Solution
- Step 1: Write the proportion equation
18,424,813.52 : 27,640,762.64 = 7,064,376.08 : x - Step 2: Convert to fraction form
18,424,813.52/27,640,762.64 = 7,064,376.08/x - Step 3: Cross multiply
18,424,813.52x = 27,640,762.64 × 7,064,376.08 - Step 4: Simplify right side
18,424,813.52x = 195,264,742,426,973.66 - Step 5: Solve for x
x = 195,264,742,426,973.66/18,424,813.52 - Step 6: Final answer
x = 10,597,922.32
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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.