Finding the Fourth Proportional to 7,449,888.30, 11,174,832.45 and 3,670,752.30
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Solution
The fourth proportional to 7,449,888.30, 11,174,832.45 and 3,670,752.30 is: 5,506,128.45
Step by Step Solution
- Step 1: Write the proportion equation
7,449,888.30 : 11,174,832.45 = 3,670,752.30 : x - Step 2: Convert to fraction form
7,449,888.30/11,174,832.45 = 3,670,752.30/x - Step 3: Cross multiply
7,449,888.30x = 11,174,832.45 × 3,670,752.30 - Step 4: Simplify right side
7,449,888.30x = 41,020,041,917,952.13 - Step 5: Solve for x
x = 41,020,041,917,952.13/7,449,888.30 - Step 6: Final answer
x = 5,506,128.45
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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.