Finding the Fourth Proportional to 19,401,827.79, 29,097,775.85 and 5,751,782.18
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Solution
The fourth proportional to 19,401,827.79, 29,097,775.85 and 5,751,782.18 is: 8,626,201.11
Step by Step Solution
- Step 1: Write the proportion equation
19,401,827.79 : 29,097,775.85 = 5,751,782.18 : x - Step 2: Convert to fraction form
19,401,827.79/29,097,775.85 = 5,751,782.18/x - Step 3: Cross multiply
19,401,827.79x = 29,097,775.85 × 5,751,782.18 - Step 4: Simplify right side
19,401,827.79x = 167,364,068,437,416.56 - Step 5: Solve for x
x = 167,364,068,437,416.56/19,401,827.79 - Step 6: Final answer
x = 8,626,201.11
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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.