Finding the Fourth Proportional to 48,077,170.78, 72,115,126.26 and 11,685,455.42
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Solution
The fourth proportional to 48,077,170.78, 72,115,126.26 and 11,685,455.42 is: 17,528,030.03
Step by Step Solution
- Step 1: Write the proportion equation
48,077,170.78 : 72,115,126.26 = 11,685,455.42 : x - Step 2: Convert to fraction form
48,077,170.78/72,115,126.26 = 11,685,455.42/x - Step 3: Cross multiply
48,077,170.78x = 72,115,126.26 × 11,685,455.42 - Step 4: Simplify right side
48,077,170.78x = 842,698,093,018,901.38 - Step 5: Solve for x
x = 842,698,093,018,901.38/48,077,170.78 - Step 6: Final answer
x = 17,528,030.03
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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.