Finding the Fourth Proportional to 14,486,605.24, 19,977,811.94 and 9,516,271.32
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Solution
The fourth proportional to 14,486,605.24, 19,977,811.94 and 9,516,271.32 is: 13,123,452.71
Step by Step Solution
- Step 1: Write the proportion equation
14,486,605.24 : 19,977,811.94 = 9,516,271.32 : x - Step 2: Convert to fraction form
14,486,605.24/19,977,811.94 = 9,516,271.32/x - Step 3: Cross multiply
14,486,605.24x = 19,977,811.94 × 9,516,271.32 - Step 4: Simplify right side
14,486,605.24x = 190,114,278,800,975.59 - Step 5: Solve for x
x = 190,114,278,800,975.59/14,486,605.24 - Step 6: Final answer
x = 13,123,452.71
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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.