Finding the Fourth Proportional to 19,706,000.40, 29,559,000.60 and 18,589,974.30
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Solution
The fourth proportional to 19,706,000.40, 29,559,000.60 and 18,589,974.30 is: 27,884,961.45
Step by Step Solution
- Step 1: Write the proportion equation
19,706,000.40 : 29,559,000.60 = 18,589,974.30 : x - Step 2: Convert to fraction form
19,706,000.40/29,559,000.60 = 18,589,974.30/x - Step 3: Cross multiply
19,706,000.40x = 29,559,000.60 × 18,589,974.30 - Step 4: Simplify right side
19,706,000.40x = 549,501,061,487,684.62 - Step 5: Solve for x
x = 549,501,061,487,684.62/19,706,000.40 - Step 6: Final answer
x = 27,884,961.45
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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.