Finding the Fourth Proportional to 7,767,112.05, 10,723,212.99 and 6,905,291.90
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Solution
The fourth proportional to 7,767,112.05, 10,723,212.99 and 6,905,291.90 is: 9,533,390.95
Step by Step Solution
- Step 1: Write the proportion equation
7,767,112.05 : 10,723,212.99 = 6,905,291.90 : x - Step 2: Convert to fraction form
7,767,112.05/10,723,212.99 = 6,905,291.90/x - Step 3: Cross multiply
7,767,112.05x = 10,723,212.99 × 6,905,291.90 - Step 4: Simplify right side
7,767,112.05x = 74,046,915,748,205.72 - Step 5: Solve for x
x = 74,046,915,748,205.72/7,767,112.05 - Step 6: Final answer
x = 9,533,390.95
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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.