Finding the Fourth Proportional to 8,899,073.67, 12,276,214.68 and 5,630,383.47
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Solution
The fourth proportional to 8,899,073.67, 12,276,214.68 and 5,630,383.47 is: 7,767,077.65
Step by Step Solution
- Step 1: Write the proportion equation
8,899,073.67 : 12,276,214.68 = 5,630,383.47 : x - Step 2: Convert to fraction form
8,899,073.67/12,276,214.68 = 5,630,383.47/x - Step 3: Cross multiply
8,899,073.67x = 12,276,214.68 × 5,630,383.47 - Step 4: Simplify right side
8,899,073.67x = 69,119,796,208,443.34 - Step 5: Solve for x
x = 69,119,796,208,443.34/8,899,073.67 - Step 6: Final answer
x = 7,767,077.65
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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.