Finding the Fourth Proportional to 18,537,179.94, 27,801,969.05 and 7,018,673.29
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Solution
The fourth proportional to 18,537,179.94, 27,801,969.05 and 7,018,673.29 is: 10,526,570.82
Step by Step Solution
- Step 1: Write the proportion equation
18,537,179.94 : 27,801,969.05 = 7,018,673.29 : x - Step 2: Convert to fraction form
18,537,179.94/27,801,969.05 = 7,018,673.29/x - Step 3: Cross multiply
18,537,179.94x = 27,801,969.05 × 7,018,673.29 - Step 4: Simplify right side
18,537,179.94x = 195,132,937,528,683.41 - Step 5: Solve for x
x = 195,132,937,528,683.41/18,537,179.94 - Step 6: Final answer
x = 10,526,570.82
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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.