Finding the Fourth Proportional to 39,930,247.50, 55,103,741.64 and 21,595,533
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Solution
The fourth proportional to 39,930,247.50, 55,103,741.64 and 21,595,533 is: 29,801,835.59
Step by Step Solution
- Step 1: Write the proportion equation
39,930,247.50 : 55,103,741.64 = 21,595,533 : x - Step 2: Convert to fraction form
39,930,247.50/55,103,741.64 = 21,595,533/x - Step 3: Cross multiply
39,930,247.50x = 55,103,741.64 × 21,595,533 - Step 4: Simplify right side
39,930,247.50x = 1,189,994,671,010,094.25 - Step 5: Solve for x
x = 1,189,994,671,010,094.25/39,930,247.50 - Step 6: Final answer
x = 29,801,835.59
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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.