Finding the Fourth Proportional to 18,118,221.95, 27,143,042.00 and 10,710,090.70
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Solution
The fourth proportional to 18,118,221.95, 27,143,042.00 and 10,710,090.70 is: 16,044,865.90
Step by Step Solution
- Step 1: Write the proportion equation
18,118,221.95 : 27,143,042.00 = 10,710,090.70 : x - Step 2: Convert to fraction form
18,118,221.95/27,143,042.00 = 10,710,090.70/x - Step 3: Cross multiply
18,118,221.95x = 27,143,042.00 × 10,710,090.70 - Step 4: Simplify right side
18,118,221.95x = 290,704,441,572,501.38 - Step 5: Solve for x
x = 290,704,441,572,501.38/18,118,221.95 - Step 6: Final answer
x = 16,044,865.90
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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.