Finding the Fourth Proportional to 11,998,108.16, 17,999,039.04 and 3,909,206.08
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Solution
The fourth proportional to 11,998,108.16, 17,999,039.04 and 3,909,206.08 is: 5,864,420.62
Step by Step Solution
- Step 1: Write the proportion equation
11,998,108.16 : 17,999,039.04 = 3,909,206.08 : x - Step 2: Convert to fraction form
11,998,108.16/17,999,039.04 = 3,909,206.08/x - Step 3: Cross multiply
11,998,108.16x = 17,999,039.04 × 3,909,206.08 - Step 4: Simplify right side
11,998,108.16x = 70,361,952,849,325.36 - Step 5: Solve for x
x = 70,361,952,849,325.36/11,998,108.16 - Step 6: Final answer
x = 5,864,420.62
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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.