Finding the Fourth Proportional to 26,213,077.42, 39,319,582.30 and 7,043,834.70
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Solution
The fourth proportional to 26,213,077.42, 39,319,582.30 and 7,043,834.70 is: 10,565,742.96
Step by Step Solution
- Step 1: Write the proportion equation
26,213,077.42 : 39,319,582.30 = 7,043,834.70 : x - Step 2: Convert to fraction form
26,213,077.42/39,319,582.30 = 7,043,834.70/x - Step 3: Cross multiply
26,213,077.42x = 39,319,582.30 × 7,043,834.70 - Step 4: Simplify right side
26,213,077.42x = 276,960,638,194,245.78 - Step 5: Solve for x
x = 276,960,638,194,245.78/26,213,077.42 - Step 6: Final answer
x = 10,565,742.96
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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.