Finding the Fourth Proportional to 7,024,719.80, 10,536,274.76 and 1,837,830.05
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Solution
The fourth proportional to 7,024,719.80, 10,536,274.76 and 1,837,830.05 is: 2,756,534.49
Step by Step Solution
- Step 1: Write the proportion equation
7,024,719.80 : 10,536,274.76 = 1,837,830.05 : x - Step 2: Convert to fraction form
7,024,719.80/10,536,274.76 = 1,837,830.05/x - Step 3: Cross multiply
7,024,719.80x = 10,536,274.76 × 1,837,830.05 - Step 4: Simplify right side
7,024,719.80x = 19,363,882,375,984.08 - Step 5: Solve for x
x = 19,363,882,375,984.08/7,024,719.80 - Step 6: Final answer
x = 2,756,534.49
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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.