Finding the Fourth Proportional to 26,538,255.75, 36,608,746.98 and 18,263,953.08
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Solution
The fourth proportional to 26,538,255.75, 36,608,746.98 and 18,263,953.08 is: 25,194,588.65
Step by Step Solution
- Step 1: Write the proportion equation
26,538,255.75 : 36,608,746.98 = 18,263,953.08 : x - Step 2: Convert to fraction form
26,538,255.75/36,608,746.98 = 18,263,953.08/x - Step 3: Cross multiply
26,538,255.75x = 36,608,746.98 × 18,263,953.08 - Step 4: Simplify right side
26,538,255.75x = 668,620,437,160,311.62 - Step 5: Solve for x
x = 668,620,437,160,311.62/26,538,255.75 - Step 6: Final answer
x = 25,194,588.65
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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.