Finding the Fourth Proportional to 30,238,365.71, 45,357,728.99 and 7,519,262.96
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Solution
The fourth proportional to 30,238,365.71, 45,357,728.99 and 7,519,262.96 is: 11,278,939.31
Step by Step Solution
- Step 1: Write the proportion equation
30,238,365.71 : 45,357,728.99 = 7,519,262.96 : x - Step 2: Convert to fraction form
30,238,365.71/45,357,728.99 = 7,519,262.96/x - Step 3: Cross multiply
30,238,365.71x = 45,357,728.99 × 7,519,262.96 - Step 4: Simplify right side
30,238,365.71x = 341,056,691,544,225.25 - Step 5: Solve for x
x = 341,056,691,544,225.25/30,238,365.71 - Step 6: Final answer
x = 11,278,939.31
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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.