Finding the Fourth Proportional to 10,791,491.80, 16,187,237.70 and 2,813,315.80
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Solution
The fourth proportional to 10,791,491.80, 16,187,237.70 and 2,813,315.80 is: 4,219,973.70
Step by Step Solution
- Step 1: Write the proportion equation
10,791,491.80 : 16,187,237.70 = 2,813,315.80 : x - Step 2: Convert to fraction form
10,791,491.80/16,187,237.70 = 2,813,315.80/x - Step 3: Cross multiply
10,791,491.80x = 16,187,237.70 × 2,813,315.80 - Step 4: Simplify right side
10,791,491.80x = 45,539,811,579,765.66 - Step 5: Solve for x
x = 45,539,811,579,765.66/10,791,491.80 - Step 6: Final answer
x = 4,219,973.70
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1.5x scale
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.