Finding the Fourth Proportional to 52,483,974.85, 78,720,646.84 and 14,149,364.05
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Solution
The fourth proportional to 52,483,974.85, 78,720,646.84 and 14,149,364.05 is: 21,222,613.07
Step by Step Solution
- Step 1: Write the proportion equation
52,483,974.85 : 78,720,646.84 = 14,149,364.05 : x - Step 2: Convert to fraction form
52,483,974.85/78,720,646.84 = 14,149,364.05/x - Step 3: Cross multiply
52,483,974.85x = 78,720,646.84 × 14,149,364.05 - Step 4: Simplify right side
52,483,974.85x = 1,113,847,090,390,642.25 - Step 5: Solve for x
x = 1,113,847,090,390,642.25/52,483,974.85 - Step 6: Final answer
x = 21,222,613.07
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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.