Finding the Fourth Proportional to 7,924,228.08, 11,885,760.72 and 2,531,430.24
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Solution
The fourth proportional to 7,924,228.08, 11,885,760.72 and 2,531,430.24 is: 3,796,959.63
Step by Step Solution
- Step 1: Write the proportion equation
7,924,228.08 : 11,885,760.72 = 2,531,430.24 : x - Step 2: Convert to fraction form
7,924,228.08/11,885,760.72 = 2,531,430.24/x - Step 3: Cross multiply
7,924,228.08x = 11,885,760.72 × 2,531,430.24 - Step 4: Simplify right side
7,924,228.08x = 30,087,974,112,012.18 - Step 5: Solve for x
x = 30,087,974,112,012.18/7,924,228.08 - Step 6: Final answer
x = 3,796,959.63
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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.