Finding the Fourth Proportional to 11,998,109.16, 17,999,040.54 and 3,909,207.08
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Solution
The fourth proportional to 11,998,109.16, 17,999,040.54 and 3,909,207.08 is: 5,864,422.12
Step by Step Solution
- Step 1: Write the proportion equation
11,998,109.16 : 17,999,040.54 = 3,909,207.08 : x - Step 2: Convert to fraction form
11,998,109.16/17,999,040.54 = 3,909,207.08/x - Step 3: Cross multiply
11,998,109.16x = 17,999,040.54 × 3,909,207.08 - Step 4: Simplify right side
11,998,109.16x = 70,361,976,712,175.02 - Step 5: Solve for x
x = 70,361,976,712,175.02/11,998,109.16 - Step 6: Final answer
x = 5,864,422.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.