Finding the Fourth Proportional to 28,079,737.99, 42,119,607.75 and 7,609,456.81
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Solution
The fourth proportional to 28,079,737.99, 42,119,607.75 and 7,609,456.81 is: 11,414,185.43
Step by Step Solution
- Step 1: Write the proportion equation
28,079,737.99 : 42,119,607.75 = 7,609,456.81 : x - Step 2: Convert to fraction form
28,079,737.99/42,119,607.75 = 7,609,456.81/x - Step 3: Cross multiply
28,079,737.99x = 42,119,607.75 × 7,609,456.81 - Step 4: Simplify right side
28,079,737.99x = 320,507,336,119,837.56 - Step 5: Solve for x
x = 320,507,336,119,837.56/28,079,737.99 - Step 6: Final answer
x = 11,414,185.43
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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.