Finding the Fourth Proportional to 26,961,651.40, 40,438,490.64 and 9,918,338.53
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Solution
The fourth proportional to 26,961,651.40, 40,438,490.64 and 9,918,338.53 is: 14,876,041.30
Step by Step Solution
- Step 1: Write the proportion equation
26,961,651.40 : 40,438,490.64 = 9,918,338.53 : x - Step 2: Convert to fraction form
26,961,651.40/40,438,490.64 = 9,918,338.53/x - Step 3: Cross multiply
26,961,651.40x = 40,438,490.64 × 9,918,338.53 - Step 4: Simplify right side
26,961,651.40x = 401,082,639,809,756.31 - Step 5: Solve for x
x = 401,082,639,809,756.31/26,961,651.40 - Step 6: Final answer
x = 14,876,041.30
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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.