Finding the Fourth Proportional to 7,497,721.68, 10,346,905.60 and 4,059,962.70
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Solution
The fourth proportional to 7,497,721.68, 10,346,905.60 and 4,059,962.70 is: 5,602,775.43
Step by Step Solution
- Step 1: Write the proportion equation
7,497,721.68 : 10,346,905.60 = 4,059,962.70 : x - Step 2: Convert to fraction form
7,497,721.68/10,346,905.60 = 4,059,962.70/x - Step 3: Cross multiply
7,497,721.68x = 10,346,905.60 × 4,059,962.70 - Step 4: Simplify right side
7,497,721.68x = 42,008,050,796,421.12 - Step 5: Solve for x
x = 42,008,050,796,421.12/7,497,721.68 - Step 6: Final answer
x = 5,602,775.43
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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.