Finding the Fourth Proportional to 7,449,887.30, 11,174,830.95 and 3,670,751.30
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Solution
The fourth proportional to 7,449,887.30, 11,174,830.95 and 3,670,751.30 is: 5,506,126.95
Step by Step Solution
- Step 1: Write the proportion equation
7,449,887.30 : 11,174,830.95 = 3,670,751.30 : x - Step 2: Convert to fraction form
7,449,887.30/11,174,830.95 = 3,670,751.30/x - Step 3: Cross multiply
7,449,887.30x = 11,174,830.95 × 3,670,751.30 - Step 4: Simplify right side
7,449,887.30x = 41,020,025,236,992.73 - Step 5: Solve for x
x = 41,020,025,236,992.73/7,449,887.30 - Step 6: Final answer
x = 5,506,126.95
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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.