Finding the Fourth Proportional to 17,381,457.40, 26,100,179.70 and 13,126,430.20
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Solution
The fourth proportional to 17,381,457.40, 26,100,179.70 and 13,126,430.20 is: 19,710,785.99
Step by Step Solution
- Step 1: Write the proportion equation
17,381,457.40 : 26,100,179.70 = 13,126,430.20 : x - Step 2: Convert to fraction form
17,381,457.40/26,100,179.70 = 13,126,430.20/x - Step 3: Cross multiply
17,381,457.40x = 26,100,179.70 × 13,126,430.20 - Step 4: Simplify right side
17,381,457.40x = 342,602,187,039,506.94 - Step 5: Solve for x
x = 342,602,187,039,506.94/17,381,457.40 - Step 6: Final answer
x = 19,710,785.99
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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.