Finding the Fourth Proportional to 11,285,907.03, 15,574,643.24 and 6,129,305.55
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Solution
The fourth proportional to 11,285,907.03, 15,574,643.24 and 6,129,305.55 is: 8,458,491.37
Step by Step Solution
- Step 1: Write the proportion equation
11,285,907.03 : 15,574,643.24 = 6,129,305.55 : x - Step 2: Convert to fraction form
11,285,907.03/15,574,643.24 = 6,129,305.55/x - Step 3: Cross multiply
11,285,907.03x = 15,574,643.24 × 6,129,305.55 - Step 4: Simplify right side
11,285,907.03x = 95,461,747,219,555.45 - Step 5: Solve for x
x = 95,461,747,219,555.45/11,285,907.03 - Step 6: Final answer
x = 8,458,491.37
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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.