Finding the Fourth Proportional to 7,306,927.20, 10,963,501.20 and 4,613,320.80
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Solution
The fourth proportional to 7,306,927.20, 10,963,501.20 and 4,613,320.80 is: 6,921,944.99
Step by Step Solution
- Step 1: Write the proportion equation
7,306,927.20 : 10,963,501.20 = 4,613,320.80 : x - Step 2: Convert to fraction form
7,306,927.20/10,963,501.20 = 4,613,320.80/x - Step 3: Cross multiply
7,306,927.20x = 10,963,501.20 × 4,613,320.80 - Step 4: Simplify right side
7,306,927.20x = 50,578,148,126,784.95 - Step 5: Solve for x
x = 50,578,148,126,784.95/7,306,927.20 - Step 6: Final answer
x = 6,921,944.99
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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.