Finding the Fourth Proportional to 14,098,373.80, 21,143,458.09 and 5,460,547.68
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Solution
The fourth proportional to 14,098,373.80, 21,143,458.09 and 5,460,547.68 is: 8,189,232.51
Step by Step Solution
- Step 1: Write the proportion equation
14,098,373.80 : 21,143,458.09 = 5,460,547.68 : x - Step 2: Convert to fraction form
14,098,373.80/21,143,458.09 = 5,460,547.68/x - Step 3: Cross multiply
14,098,373.80x = 21,143,458.09 × 5,460,547.68 - Step 4: Simplify right side
14,098,373.80x = 115,454,861,027,352.41 - Step 5: Solve for x
x = 115,454,861,027,352.41/14,098,373.80 - Step 6: Final answer
x = 8,189,232.51
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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.