Finding the Fourth Proportional to 7,139,475.84, 10,709,217.60 and 4,481,950.08
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Solution
The fourth proportional to 7,139,475.84, 10,709,217.60 and 4,481,950.08 is: 6,722,927.53
Step by Step Solution
- Step 1: Write the proportion equation
7,139,475.84 : 10,709,217.60 = 4,481,950.08 : x - Step 2: Convert to fraction form
7,139,475.84/10,709,217.60 = 4,481,950.08/x - Step 3: Cross multiply
7,139,475.84x = 10,709,217.60 × 4,481,950.08 - Step 4: Simplify right side
7,139,475.84x = 47,998,178,679,057.41 - Step 5: Solve for x
x = 47,998,178,679,057.41/7,139,475.84 - Step 6: Final answer
x = 6,722,927.53
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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.