Finding the Fourth Proportional to 7,696,366.17, 10,620,262.00 and 5,210,530.08
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Solution
The fourth proportional to 7,696,366.17, 10,620,262.00 and 5,210,530.08 is: 7,190,041.82
Step by Step Solution
- Step 1: Write the proportion equation
7,696,366.17 : 10,620,262.00 = 5,210,530.08 : x - Step 2: Convert to fraction form
7,696,366.17/10,620,262.00 = 5,210,530.08/x - Step 3: Cross multiply
7,696,366.17x = 10,620,262.00 × 5,210,530.08 - Step 4: Simplify right side
7,696,366.17x = 55,337,194,605,595.76 - Step 5: Solve for x
x = 55,337,194,605,595.76/7,696,366.17 - Step 6: Final answer
x = 7,190,041.82
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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.