Finding the Fourth Proportional to 13,942,885.41, 19,235,563.49 and 8,426,683.53
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Solution
The fourth proportional to 13,942,885.41, 19,235,563.49 and 8,426,683.53 is: 11,625,427.69
Step by Step Solution
- Step 1: Write the proportion equation
13,942,885.41 : 19,235,563.49 = 8,426,683.53 : x - Step 2: Convert to fraction form
13,942,885.41/19,235,563.49 = 8,426,683.53/x - Step 3: Cross multiply
13,942,885.41x = 19,235,563.49 × 8,426,683.53 - Step 4: Simplify right side
13,942,885.41x = 162,092,006,072,519 - Step 5: Solve for x
x = 162,092,006,072,519/13,942,885.41 - Step 6: Final answer
x = 11,625,427.69
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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.