Finding the Fourth Proportional to 11,646,905.60, 17,480,726.40 and 6,848,595.20
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Solution
The fourth proportional to 11,646,905.60, 17,480,726.40 and 6,848,595.20 is: 10,278,989.38
Step by Step Solution
- Step 1: Write the proportion equation
11,646,905.60 : 17,480,726.40 = 6,848,595.20 : x - Step 2: Convert to fraction form
11,646,905.60/17,480,726.40 = 6,848,595.20/x - Step 3: Cross multiply
11,646,905.60x = 17,480,726.40 × 6,848,595.20 - Step 4: Simplify right side
11,646,905.60x = 119,718,418,915,553.27 - Step 5: Solve for x
x = 119,718,418,915,553.27/11,646,905.60 - Step 6: Final answer
x = 10,278,989.38
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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.