Finding the Fourth Proportional to 10,774,860.21, 14,869,620.63 and 5,880,397.14
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Solution
The fourth proportional to 10,774,860.21, 14,869,620.63 and 5,880,397.14 is: 8,115,119.17
Step by Step Solution
- Step 1: Write the proportion equation
10,774,860.21 : 14,869,620.63 = 5,880,397.14 : x - Step 2: Convert to fraction form
10,774,860.21/14,869,620.63 = 5,880,397.14/x - Step 3: Cross multiply
10,774,860.21x = 14,869,620.63 × 5,880,397.14 - Step 4: Simplify right side
10,774,860.21x = 87,439,274,625,537 - Step 5: Solve for x
x = 87,439,274,625,537/10,774,860.21 - Step 6: Final answer
x = 8,115,119.17
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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.