Finding the Fourth Proportional to 43,479,251.84, 65,219,155.68 and 12,773,705.60
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Solution
The fourth proportional to 43,479,251.84, 65,219,155.68 and 12,773,705.60 is: 19,160,640.05
Step by Step Solution
- Step 1: Write the proportion equation
43,479,251.84 : 65,219,155.68 = 12,773,705.60 : x - Step 2: Convert to fraction form
43,479,251.84/65,219,155.68 = 12,773,705.60/x - Step 3: Cross multiply
43,479,251.84x = 65,219,155.68 × 12,773,705.60 - Step 4: Simplify right side
43,479,251.84x = 833,090,294,136,887.75 - Step 5: Solve for x
x = 833,090,294,136,887.75/43,479,251.84 - Step 6: Final answer
x = 19,160,640.05
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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.