Finding the Fourth Proportional to 11,217,371.20, 16,826,056.80 and 3,130,331.20
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Solution
The fourth proportional to 11,217,371.20, 16,826,056.80 and 3,130,331.20 is: 4,695,496.80
Step by Step Solution
- Step 1: Write the proportion equation
11,217,371.20 : 16,826,056.80 = 3,130,331.20 : x - Step 2: Convert to fraction form
11,217,371.20/16,826,056.80 = 3,130,331.20/x - Step 3: Cross multiply
11,217,371.20x = 16,826,056.80 × 3,130,331.20 - Step 4: Simplify right side
11,217,371.20x = 52,671,130,574,012.16 - Step 5: Solve for x
x = 52,671,130,574,012.16/11,217,371.20 - Step 6: Final answer
x = 4,695,496.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.