Finding the Fourth Proportional to 18,533,259.63, 27,800,053.47 and 7,609,457.07
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Solution
The fourth proportional to 18,533,259.63, 27,800,053.47 and 7,609,457.07 is: 11,414,252.95
Step by Step Solution
- Step 1: Write the proportion equation
18,533,259.63 : 27,800,053.47 = 7,609,457.07 : x - Step 2: Convert to fraction form
18,533,259.63/27,800,053.47 = 7,609,457.07/x - Step 3: Cross multiply
18,533,259.63x = 27,800,053.47 × 7,609,457.07 - Step 4: Simplify right side
18,533,259.63x = 211,543,313,423,669.53 - Step 5: Solve for x
x = 211,543,313,423,669.53/18,533,259.63 - Step 6: Final answer
x = 11,414,252.95
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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.