Finding the Fourth Proportional to 19,930,961.62, 29,893,603.64 and 6,282,334.24
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Solution
The fourth proportional to 19,930,961.62, 29,893,603.64 and 6,282,334.24 is: 9,422,606.56
Step by Step Solution
- Step 1: Write the proportion equation
19,930,961.62 : 29,893,603.64 = 6,282,334.24 : x - Step 2: Convert to fraction form
19,930,961.62/29,893,603.64 = 6,282,334.24/x - Step 3: Cross multiply
19,930,961.62x = 29,893,603.64 × 6,282,334.24 - Step 4: Simplify right side
19,930,961.62x = 187,801,609,704,560.66 - Step 5: Solve for x
x = 187,801,609,704,560.66/19,930,961.62 - Step 6: Final answer
x = 9,422,606.56
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1.5x scale
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.