Finding the Fourth Proportional to 7,008,799.76, 10,513,283.16 and 2,750,973.20
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Solution
The fourth proportional to 7,008,799.76, 10,513,283.16 and 2,750,973.20 is: 4,126,492.58
Step by Step Solution
- Step 1: Write the proportion equation
7,008,799.76 : 10,513,283.16 = 2,750,973.20 : x - Step 2: Convert to fraction form
7,008,799.76/10,513,283.16 = 2,750,973.20/x - Step 3: Cross multiply
7,008,799.76x = 10,513,283.16 × 2,750,973.20 - Step 4: Simplify right side
7,008,799.76x = 28,921,760,217,171.31 - Step 5: Solve for x
x = 28,921,760,217,171.31/7,008,799.76 - Step 6: Final answer
x = 4,126,492.58
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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.