Finding the Fourth Proportional to 19,768,093.20, 29,652,139.80 and 19,469,494.80
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Solution
The fourth proportional to 19,768,093.20, 29,652,139.80 and 19,469,494.80 is: 29,204,242.20
Step by Step Solution
- Step 1: Write the proportion equation
19,768,093.20 : 29,652,139.80 = 19,469,494.80 : x - Step 2: Convert to fraction form
19,768,093.20/29,652,139.80 = 19,469,494.80/x - Step 3: Cross multiply
19,768,093.20x = 29,652,139.80 × 19,469,494.80 - Step 4: Simplify right side
19,768,093.20x = 577,312,181,644,973.12 - Step 5: Solve for x
x = 577,312,181,644,973.12/19,768,093.20 - Step 6: Final answer
x = 29,204,242.20
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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.