Finding the Fourth Proportional to 20,199,793.56, 27,875,283.90 and 11,032,473.24
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Solution
The fourth proportional to 20,199,793.56, 27,875,283.90 and 11,032,473.24 is: 15,224,577.56
Step by Step Solution
- Step 1: Write the proportion equation
20,199,793.56 : 27,875,283.90 = 11,032,473.24 : x - Step 2: Convert to fraction form
20,199,793.56/27,875,283.90 = 11,032,473.24/x - Step 3: Cross multiply
20,199,793.56x = 27,875,283.90 × 11,032,473.24 - Step 4: Simplify right side
20,199,793.56x = 307,533,323,684,152.81 - Step 5: Solve for x
x = 307,533,323,684,152.81/20,199,793.56 - Step 6: Final answer
x = 15,224,577.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.