Finding the Fourth Proportional to 10,806,635.50, 14,917,593.75 and 7,326,740.50
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Solution
The fourth proportional to 10,806,635.50, 14,917,593.75 and 7,326,740.50 is: 10,113,909.95
Step by Step Solution
- Step 1: Write the proportion equation
10,806,635.50 : 14,917,593.75 = 7,326,740.50 : x - Step 2: Convert to fraction form
10,806,635.50/14,917,593.75 = 7,326,740.50/x - Step 3: Cross multiply
10,806,635.50x = 14,917,593.75 × 7,326,740.50 - Step 4: Simplify right side
10,806,635.50x = 109,297,338,290,671.88 - Step 5: Solve for x
x = 109,297,338,290,671.88/10,806,635.50 - Step 6: Final answer
x = 10,113,909.95
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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.