Finding the Fourth Proportional to 10,210,817.34, 14,090,928.11 and 5,627,138.71
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Solution
The fourth proportional to 10,210,817.34, 14,090,928.11 and 5,627,138.71 is: 7,765,451.52
Step by Step Solution
- Step 1: Write the proportion equation
10,210,817.34 : 14,090,928.11 = 5,627,138.71 : x - Step 2: Convert to fraction form
10,210,817.34/14,090,928.11 = 5,627,138.71/x - Step 3: Cross multiply
10,210,817.34x = 14,090,928.11 × 5,627,138.71 - Step 4: Simplify right side
10,210,817.34x = 79,291,607,027,608.14 - Step 5: Solve for x
x = 79,291,607,027,608.14/10,210,817.34 - Step 6: Final answer
x = 7,765,451.52
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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.