Finding the Fourth Proportional to 69,430,893.12, 104,153,338.08 and 18,316,445.76
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Solution
The fourth proportional to 69,430,893.12, 104,153,338.08 and 18,316,445.76 is: 27,476,514.88
Step by Step Solution
- Step 1: Write the proportion equation
69,430,893.12 : 104,153,338.08 = 18,316,445.76 : x - Step 2: Convert to fraction form
69,430,893.12/104,153,338.08 = 18,316,445.76/x - Step 3: Cross multiply
69,430,893.12x = 104,153,338.08 × 18,316,445.76 - Step 4: Simplify right side
69,430,893.12x = 1,907,718,967,665,262.75 - Step 5: Solve for x
x = 1,907,718,967,665,262.75/69,430,893.12 - Step 6: Final answer
x = 27,476,514.88
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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.