Finding the Fourth Proportional to 7,909,923.16, 11,864,884.62 and 3,648,830.68
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Solution
The fourth proportional to 7,909,923.16, 11,864,884.62 and 3,648,830.68 is: 5,473,245.96
Step by Step Solution
- Step 1: Write the proportion equation
7,909,923.16 : 11,864,884.62 = 3,648,830.68 : x - Step 2: Convert to fraction form
7,909,923.16/11,864,884.62 = 3,648,830.68/x - Step 3: Cross multiply
7,909,923.16x = 11,864,884.62 × 3,648,830.68 - Step 4: Simplify right side
7,909,923.16x = 43,292,955,016,116.14 - Step 5: Solve for x
x = 43,292,955,016,116.14/7,909,923.16 - Step 6: Final answer
x = 5,473,245.96
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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.