Finding the Fourth Proportional to 19,429,201.75, 29,145,202.31 and 7,461,937.75
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Solution
The fourth proportional to 19,429,201.75, 29,145,202.31 and 7,461,937.75 is: 11,193,444.18
Step by Step Solution
- Step 1: Write the proportion equation
19,429,201.75 : 29,145,202.31 = 7,461,937.75 : x - Step 2: Convert to fraction form
19,429,201.75/29,145,202.31 = 7,461,937.75/x - Step 3: Cross multiply
19,429,201.75x = 29,145,202.31 × 7,461,937.75 - Step 4: Simplify right side
19,429,201.75x = 217,479,685,311,066.50 - Step 5: Solve for x
x = 217,479,685,311,066.50/19,429,201.75 - Step 6: Final answer
x = 11,193,444.18
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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.