Finding the Fourth Proportional to 14,417,309.70, 19,893,747.21 and 8,756,457.06
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Solution
The fourth proportional to 14,417,309.70, 19,893,747.21 and 8,756,457.06 is: 12,082,610.89
Step by Step Solution
- Step 1: Write the proportion equation
14,417,309.70 : 19,893,747.21 = 8,756,457.06 : x - Step 2: Convert to fraction form
14,417,309.70/19,893,747.21 = 8,756,457.06/x - Step 3: Cross multiply
14,417,309.70x = 19,893,747.21 × 8,756,457.06 - Step 4: Simplify right side
14,417,309.70x = 174,198,743,206,859.81 - Step 5: Solve for x
x = 174,198,743,206,859.81/14,417,309.70 - Step 6: Final answer
x = 12,082,610.89
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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.