Finding the Fourth Proportional to 33,126,274.08, 45,713,219.60 and 19,187,901.60
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Solution
The fourth proportional to 33,126,274.08, 45,713,219.60 and 19,187,901.60 is: 26,478,702.60
Step by Step Solution
- Step 1: Write the proportion equation
33,126,274.08 : 45,713,219.60 = 19,187,901.60 : x - Step 2: Convert to fraction form
33,126,274.08/45,713,219.60 = 19,187,901.60/x - Step 3: Cross multiply
33,126,274.08x = 45,713,219.60 × 19,187,901.60 - Step 4: Simplify right side
33,126,274.08x = 877,140,759,503,991.50 - Step 5: Solve for x
x = 877,140,759,503,991.50/33,126,274.08 - Step 6: Final answer
x = 26,478,702.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.