Finding the Fourth Proportional to 11,048,637.99, 15,247,124.86 and 6,405,115.18
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Solution
The fourth proportional to 11,048,637.99, 15,247,124.86 and 6,405,115.18 is: 8,839,061.52
Step by Step Solution
- Step 1: Write the proportion equation
11,048,637.99 : 15,247,124.86 = 6,405,115.18 : x - Step 2: Convert to fraction form
11,048,637.99/15,247,124.86 = 6,405,115.18/x - Step 3: Cross multiply
11,048,637.99x = 15,247,124.86 × 6,405,115.18 - Step 4: Simplify right side
11,048,637.99x = 97,659,590,942,936.34 - Step 5: Solve for x
x = 97,659,590,942,936.34/11,048,637.99 - Step 6: Final answer
x = 8,839,061.52
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1.5x scale
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.