Finding the Fourth Proportional to 7,034,953.70, 10,552,430.55 and 6,643,043.30
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Solution
The fourth proportional to 7,034,953.70, 10,552,430.55 and 6,643,043.30 is: 9,964,564.95
Step by Step Solution
- Step 1: Write the proportion equation
7,034,953.70 : 10,552,430.55 = 6,643,043.30 : x - Step 2: Convert to fraction form
7,034,953.70/10,552,430.55 = 6,643,043.30/x - Step 3: Cross multiply
7,034,953.70x = 10,552,430.55 × 6,643,043.30 - Step 4: Simplify right side
7,034,953.70x = 70,100,253,063,892.82 - Step 5: Solve for x
x = 70,100,253,063,892.82/7,034,953.70 - Step 6: Final answer
x = 9,964,564.95
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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.