Finding the Fourth Proportional to 10,143,331.11, 13,999,299.35 and 6,422,508
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Solution
The fourth proportional to 10,143,331.11, 13,999,299.35 and 6,422,508 is: 8,864,012.33
Step by Step Solution
- Step 1: Write the proportion equation
10,143,331.11 : 13,999,299.35 = 6,422,508 : x - Step 2: Convert to fraction form
10,143,331.11/13,999,299.35 = 6,422,508/x - Step 3: Cross multiply
10,143,331.11x = 13,999,299.35 × 6,422,508 - Step 4: Simplify right side
10,143,331.11x = 89,910,612,037,657.27 - Step 5: Solve for x
x = 89,910,612,037,657.27/10,143,331.11 - Step 6: Final answer
x = 8,864,012.33
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1.5x scale
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.