Finding the Fourth Proportional to 42,624,128.70, 63,944,487.45 and 18,363,008.70
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Solution
The fourth proportional to 42,624,128.70, 63,944,487.45 and 18,363,008.70 is: 27,548,086.38
Step by Step Solution
- Step 1: Write the proportion equation
42,624,128.70 : 63,944,487.45 = 18,363,008.70 : x - Step 2: Convert to fraction form
42,624,128.70/63,944,487.45 = 18,363,008.70/x - Step 3: Cross multiply
42,624,128.70x = 63,944,487.45 × 18,363,008.70 - Step 4: Simplify right side
42,624,128.70x = 1,174,213,179,361,390.75 - Step 5: Solve for x
x = 1,174,213,179,361,390.75/42,624,128.70 - Step 6: Final answer
x = 27,548,086.38
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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.