Finding the Fourth Proportional to 7,272,077.84, 10,035,497.73 and 4,008,820.97
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Solution
The fourth proportional to 7,272,077.84, 10,035,497.73 and 4,008,820.97 is: 5,532,189.65
Step by Step Solution
- Step 1: Write the proportion equation
7,272,077.84 : 10,035,497.73 = 4,008,820.97 : x - Step 2: Convert to fraction form
7,272,077.84/10,035,497.73 = 4,008,820.97/x - Step 3: Cross multiply
7,272,077.84x = 10,035,497.73 × 4,008,820.97 - Step 4: Simplify right side
7,272,077.84x = 40,230,513,744,411.40 - Step 5: Solve for x
x = 40,230,513,744,411.40/7,272,077.84 - Step 6: Final answer
x = 5,532,189.65
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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.