Finding the Fourth Proportional to 22,142,402.99, 33,186,677.01 and 15,667,343.90
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Solution
The fourth proportional to 22,142,402.99, 33,186,677.01 and 15,667,343.90 is: 23,481,962.72
Step by Step Solution
- Step 1: Write the proportion equation
22,142,402.99 : 33,186,677.01 = 15,667,343.90 : x - Step 2: Convert to fraction form
22,142,402.99/33,186,677.01 = 15,667,343.90/x - Step 3: Cross multiply
22,142,402.99x = 33,186,677.01 × 15,667,343.90 - Step 4: Simplify right side
22,142,402.99x = 519,947,081,613,893.75 - Step 5: Solve for x
x = 519,947,081,613,893.75/22,142,402.99 - Step 6: Final answer
x = 23,481,962.72
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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.