Finding the Fourth Proportional to 10,159,491.71, 14,020,107.63 and 5,513,276.79
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Solution
The fourth proportional to 10,159,491.71, 14,020,107.63 and 5,513,276.79 is: 7,608,326.89
Step by Step Solution
- Step 1: Write the proportion equation
10,159,491.71 : 14,020,107.63 = 5,513,276.79 : x - Step 2: Convert to fraction form
10,159,491.71/14,020,107.63 = 5,513,276.79/x - Step 3: Cross multiply
10,159,491.71x = 14,020,107.63 × 5,513,276.79 - Step 4: Simplify right side
10,159,491.71x = 77,296,733,962,214.53 - Step 5: Solve for x
x = 77,296,733,962,214.53/10,159,491.71 - Step 6: Final answer
x = 7,608,326.89
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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.