Finding the Fourth Proportional to 7,011,624.95, 9,605,881.39 and 6,749,423.09
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Solution
The fourth proportional to 7,011,624.95, 9,605,881.39 and 6,749,423.09 is: 9,246,666.52
Step by Step Solution
- Step 1: Write the proportion equation
7,011,624.95 : 9,605,881.39 = 6,749,423.09 : x - Step 2: Convert to fraction form
7,011,624.95/9,605,881.39 = 6,749,423.09/x - Step 3: Cross multiply
7,011,624.95x = 9,605,881.39 × 6,749,423.09 - Step 4: Simplify right side
7,011,624.95x = 64,834,157,691,274.63 - Step 5: Solve for x
x = 64,834,157,691,274.63/7,011,624.95 - Step 6: Final answer
x = 9,246,666.52
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.