Finding the Fourth Proportional to 25,276,631.04, 37,917,616.64 and 8,238,638.08
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Solution
The fourth proportional to 25,276,631.04, 37,917,616.64 and 8,238,638.08 is: 12,358,827.40
Step by Step Solution
- Step 1: Write the proportion equation
25,276,631.04 : 37,917,616.64 = 8,238,638.08 : x - Step 2: Convert to fraction form
25,276,631.04/37,917,616.64 = 8,238,638.08/x - Step 3: Cross multiply
25,276,631.04x = 37,917,616.64 × 8,238,638.08 - Step 4: Simplify right side
25,276,631.04x = 312,389,520,353,145.69 - Step 5: Solve for x
x = 312,389,520,353,145.69/25,276,631.04 - Step 6: Final answer
x = 12,358,827.40
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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.