Finding the Fourth Proportional to 7,927,465.34, 10,939,716.09 and 4,664,491.40
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Solution
The fourth proportional to 7,927,465.34, 10,939,716.09 and 4,664,491.40 is: 6,436,888.65
Step by Step Solution
- Step 1: Write the proportion equation
7,927,465.34 : 10,939,716.09 = 4,664,491.40 : x - Step 2: Convert to fraction form
7,927,465.34/10,939,716.09 = 4,664,491.40/x - Step 3: Cross multiply
7,927,465.34x = 10,939,716.09 × 4,664,491.40 - Step 4: Simplify right side
7,927,465.34x = 51,028,211,647,595.91 - Step 5: Solve for x
x = 51,028,211,647,595.91/7,927,465.34 - Step 6: Final answer
x = 6,436,888.65
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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.