Finding the Fourth Proportional to 28,076,438.08, 42,114,657.12 and 10,125,542.08
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Solution
The fourth proportional to 28,076,438.08, 42,114,657.12 and 10,125,542.08 is: 15,188,313.12
Step by Step Solution
- Step 1: Write the proportion equation
28,076,438.08 : 42,114,657.12 = 10,125,542.08 : x - Step 2: Convert to fraction form
28,076,438.08/42,114,657.12 = 10,125,542.08/x - Step 3: Cross multiply
28,076,438.08x = 42,114,657.12 × 10,125,542.08 - Step 4: Simplify right side
28,076,438.08x = 426,433,732,853,331.56 - Step 5: Solve for x
x = 426,433,732,853,331.56/28,076,438.08 - Step 6: Final answer
x = 15,188,313.12
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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.