Finding the Fourth Proportional to 11,248,967.36, 16,879,593.75 and 4,771,035.07
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Solution
The fourth proportional to 11,248,967.36, 16,879,593.75 and 4,771,035.07 is: 7,159,157.91
Step by Step Solution
- Step 1: Write the proportion equation
11,248,967.36 : 16,879,593.75 = 4,771,035.07 : x - Step 2: Convert to fraction form
11,248,967.36/16,879,593.75 = 4,771,035.07/x - Step 3: Cross multiply
11,248,967.36x = 16,879,593.75 × 4,771,035.07 - Step 4: Simplify right side
11,248,967.36x = 80,533,133,688,512.44 - Step 5: Solve for x
x = 80,533,133,688,512.44/11,248,967.36 - Step 6: Final answer
x = 7,159,157.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.