Finding the Fourth Proportional to 13,251,177.49, 19,877,209.10 and 3,665,753.32
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Solution
The fourth proportional to 13,251,177.49, 19,877,209.10 and 3,665,753.32 is: 5,498,752.49
Step by Step Solution
- Step 1: Write the proportion equation
13,251,177.49 : 19,877,209.10 = 3,665,753.32 : x - Step 2: Convert to fraction form
13,251,177.49/19,877,209.10 = 3,665,753.32/x - Step 3: Cross multiply
13,251,177.49x = 19,877,209.10 × 3,665,753.32 - Step 4: Simplify right side
13,251,177.49x = 72,864,945,139,487.70 - Step 5: Solve for x
x = 72,864,945,139,487.70/13,251,177.49 - Step 6: Final answer
x = 5,498,752.49
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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.